157929928 has 32 divisors (see below), whose sum is σ = 319636800. Its totient is φ = 72721728.

The previous prime is 157929907. The next prime is 157929929. The reversal of 157929928 is 829929751.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (157929929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50803 + ... + 53821.

It is an arithmetic number, because the mean of its divisors is an integer number (9988650).

Almost surely, 2^157929928 is an apocalyptic number.

It is an amenable number.

157929928 is an abundant number, since it is smaller than the sum of its proper divisors (161706872).

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

157929928 is a wasteful number, since it uses less digits than its factorization.

157929928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3537 counting only the distinct ones).

The product of its digits is 816480, while the sum is 52.

The square root of 157929928 is about 12567.0174663681. The cubic root of 157929928 is about 540.5320864215.

The spelling of 157929928 in words is "one hundred fifty-seven million, nine hundred twenty-nine thousand, nine hundred twenty-eight".