157781335676 has 24 divisors (see below), whose sum is σ = 278999668416. Its totient is φ = 78067353600.

The previous prime is 157781335669. The next prime is 157781335709. The reversal of 157781335676 is 676533187751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684500 + ... + 3727076.

It is an arithmetic number, because the mean of its divisors is an integer number (11624986184).

Almost surely, 2^157781335676 is an apocalyptic number.

It is an amenable number.

157781335676 is a deficient number, since it is larger than the sum of its proper divisors (121218332740).

157781335676 is a wasteful number, since it uses less digits than its factorization.

157781335676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52229 (or 52227 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 59.

The spelling of 157781335676 in words is "one hundred fifty-seven billion, seven hundred eighty-one million, three hundred thirty-five thousand, six hundred seventy-six".