157823757480 has 128 divisors (see below), whose sum is σ = 504325543680. Its totient is φ = 39373393920.

The previous prime is 157823757467. The next prime is 157823757521. The reversal of 157823757480 is 84757328751.

157823757480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157823757480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109050 + ... + 572310.

It is an arithmetic number, because the mean of its divisors is an integer number (3940043310).

Almost surely, 2^157823757480 is an apocalyptic number.

157823757480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157823757480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252162771840).

157823757480 is an abundant number, since it is smaller than the sum of its proper divisors (346501786200).

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

157823757480 is a wasteful number, since it uses less digits than its factorization.

157823757480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463459 (or 463455 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 157823757480 in words is "one hundred fifty-seven billion, eight hundred twenty-three million, seven hundred fifty-seven thousand, four hundred eighty".