157037677109 has 4 divisors (see below), whose sum is σ = 159381523104. Its totient is φ = 154693831116.

The previous prime is 157037677103. The next prime is 157037677163. The reversal of 157037677109 is 901776730751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901776730751 = 13 ⋅69367440827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157037677109 is a prime.

It is a super-3 number, since 3×157037677109³ (a number of 35 digits) contains 333 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 (157037677103) 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, 1171922897 + ... + 1171923030.

It is an arithmetic number, because the mean of its divisors is an integer number (39845380776).

Almost surely, 2^157037677109 is an apocalyptic number.

It is an amenable number.

157037677109 is a deficient number, since it is larger than the sum of its proper divisors (2343845995).

157037677109 is an equidigital number, since it uses as much as digits as its factorization.

157037677109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343845994.

The product of its (nonzero) digits is 1944810, while the sum is 53.

The spelling of 157037677109 in words is "one hundred fifty-seven billion, thirty-seven million, six hundred seventy-seven thousand, one hundred nine".