157777673140 has 48 divisors (see below), whose sum is σ = 349269822720. Its totient is φ = 59704041600.

The previous prime is 157777673111. The next prime is 157777673167. The reversal of 157777673140 is 41376777751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29772 + ... + 562531.

It is an arithmetic number, because the mean of its divisors is an integer number (7276454640).

Almost surely, 2^157777673140 is an apocalyptic number.

157777673140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157777673140 is an abundant number, since it is smaller than the sum of its proper divisors (191492149580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157777673140 is a wasteful number, since it uses less digits than its factorization.

157777673140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593032 (or 593030 counting only the distinct ones).

The product of its (nonzero) digits is 6050520, while the sum is 55.

The spelling of 157777673140 in words is "one hundred fifty-seven billion, seven hundred seventy-seven million, six hundred seventy-three thousand, one hundred forty".