157988738070 has 24 divisors (see below), whose sum is σ = 410770719216. Its totient is φ = 42130330128.

The previous prime is 157988738059. The next prime is 157988738071. The reversal of 157988738070 is 70837889751.

It is a junction number, because it is equal to n+sod(n) for n = 157988737989 and 157988738007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157988738071) 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 11 ways as a sum of consecutive naturals, for example, 877715122 + ... + 877715301.

It is an arithmetic number, because the mean of its divisors is an integer number (17115446634).

Almost surely, 2^157988738070 is an apocalyptic number.

157988738070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157988738070 is an abundant number, since it is smaller than the sum of its proper divisors (252781981146).

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

157988738070 is a wasteful number, since it uses less digits than its factorization.

157988738070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755430436 (or 1755430433 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 63.

The spelling of 157988738070 in words is "one hundred fifty-seven billion, nine hundred eighty-eight million, seven hundred thirty-eight thousand, seventy".