157928704 has 18 divisors (see below), whose sum is σ = 315241010. Its totient is φ = 78964224.

The previous prime is 157928699. The next prime is 157928713. The reversal of 157928704 is 407829751.

It can be written as a sum of positive squares in only one way, i.e., 149817600 + 8111104 = 12240^2 + 2848^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308199 + ... + 308710.

Almost surely, 2^157928704 is an apocalyptic number.

It is an amenable number.

157928704 is a deficient number, since it is larger than the sum of its proper divisors (157312306).

157928704 is an frugal number, since it uses more digits than its factorization.

157928704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616925 (or 616911 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 157928704 is about 12566.9687673679. The cubic root of 157928704 is about 540.5306899942.

The spelling of 157928704 in words is "one hundred fifty-seven million, nine hundred twenty-eight thousand, seven hundred four".