157854287169 has 6 divisors (see below), whose sum is σ = 228011748146. Its totient is φ = 105236191440.

The previous prime is 157854287153. The next prime is 157854287203. The reversal of 157854287169 is 961782458751.

157854287169 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 542 + 87 + 1 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79686514944 + 78167772225 = 282288^2 + 279585^2 .

It is not a de Polignac number, because 157854287169 - 2⁴ = 157854287153 is a prime.

It is a super-2 number, since 2×157854287169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157854288169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8769682612 + ... + 8769682629.

Almost surely, 2^157854287169 is an apocalyptic number.

It is an amenable number.

157854287169 is a deficient number, since it is larger than the sum of its proper divisors (70157460977).

157854287169 is a wasteful number, since it uses less digits than its factorization.

157854287169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17539365247 (or 17539365244 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 63.

The spelling of 157854287169 in words is "one hundred fifty-seven billion, eight hundred fifty-four million, two hundred eighty-seven thousand, one hundred sixty-nine".