157928692 has 6 divisors (see below), whose sum is σ = 276375218. Its totient is φ = 78964344.

The previous prime is 157928681. The next prime is 157928699. The reversal of 157928692 is 296829751.

It can be written as a sum of positive squares in only one way, i.e., 157904356 + 24336 = 12566^2 + 156^2 .

It is a super-3 number, since 3×157928692³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157928699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19741083 + ... + 19741090.

Almost surely, 2^157928692 is an apocalyptic number.

It is an amenable number.

157928692 is a deficient number, since it is larger than the sum of its proper divisors (118446526).

157928692 is a wasteful number, since it uses less digits than its factorization.

157928692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482177 (or 39482175 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 157928692 is about 12566.9682899258. The cubic root of 157928692 is about 540.5306763037.

The spelling of 157928692 in words is "one hundred fifty-seven million, nine hundred twenty-eight thousand, six hundred ninety-two".