157025677 has 4 divisors (see below), whose sum is σ = 157169916. Its totient is φ = 156881440.

The previous prime is 157025647. The next prime is 157025683. The reversal of 157025677 is 776520751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776520751 = 1559 ⋅498089.

It can be written as a sum of positive squares in 2 ways, for example, as 89605156 + 67420521 = 9466^2 + 8211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157025677 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 (157025647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70474 + ... + 72667.

It is an arithmetic number, because the mean of its divisors is an integer number (39292479).

Almost surely, 2^157025677 is an apocalyptic number.

It is an amenable number.

157025677 is a deficient number, since it is larger than the sum of its proper divisors (144239).

157025677 is a wasteful number, since it uses less digits than its factorization.

157025677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144238.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 157025677 is about 12530.9886680980. The cubic root of 157025677 is about 539.4984792625.

The spelling of 157025677 in words is "one hundred fifty-seven million, twenty-five thousand, six hundred seventy-seven".