157082928997 has 8 divisors (see below), whose sum is σ = 160056520344. Its totient is φ = 154109699328.

The previous prime is 157082928971. The next prime is 157082929027. The reversal of 157082928997 is 799829280751.

It can be written as a sum of positive squares in 4 ways, for example, as 102237504516 + 54845424481 = 319746^2 + 234191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157082928997 - 2³¹ = 154935445349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157082928907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885073 + ... + 1047625.

It is an arithmetic number, because the mean of its divisors is an integer number (20007065043).

Almost surely, 2^157082928997 is an apocalyptic number.

It is an amenable number.

157082928997 is a deficient number, since it is larger than the sum of its proper divisors (2973591347).

157082928997 is a wasteful number, since it uses less digits than its factorization.

157082928997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180839.

The product of its (nonzero) digits is 45722880, while the sum is 67.

The spelling of 157082928997 in words is "one hundred fifty-seven billion, eighty-two million, nine hundred twenty-eight thousand, nine hundred ninety-seven".