157677581431 has 8 divisors (see below), whose sum is σ = 158105725200. Its totient is φ = 157249646400.

The previous prime is 157677581417. The next prime is 157677581443. The reversal of 157677581431 is 134185776751.

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

It is a cyclic number.

It is not a de Polignac number, because 157677581431 - 2¹⁵ = 157677548663 is a prime.

It is a super-2 number, since 2×157677581431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157677581461) 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, 1525005 + ... + 1625113.

It is an arithmetic number, because the mean of its divisors is an integer number (19763215650).

Almost surely, 2^157677581431 is an apocalyptic number.

157677581431 is a deficient number, since it is larger than the sum of its proper divisors (428143769).

157677581431 is a wasteful number, since it uses less digits than its factorization.

157677581431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104369.

The product of its digits is 4939200, while the sum is 55.

The spelling of 157677581431 in words is "one hundred fifty-seven billion, six hundred seventy-seven million, five hundred eighty-one thousand, four hundred thirty-one".