157980350790 has 96 divisors (see below), whose sum is σ = 414983761920. Its totient is φ = 41695359552.

The previous prime is 157980350779. The next prime is 157980350791. The reversal of 157980350790 is 97053089751.

157980350790 is a `hidden beast` number, since 1 + 57 + 9 + 80 + 3 + 507 + 9 + 0 = 666.

157980350790 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157980350791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4772677 + ... + 4805663.

It is an arithmetic number, because the mean of its divisors is an integer number (4322747520).

Almost surely, 2^157980350790 is an apocalyptic number.

157980350790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157980350790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207491880960).

157980350790 is an abundant number, since it is smaller than the sum of its proper divisors (257003411130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157980350790 is a wasteful number, since it uses less digits than its factorization.

157980350790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33546 (or 33543 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 157980350790 in words is "one hundred fifty-seven billion, nine hundred eighty million, three hundred fifty thousand, seven hundred ninety".