157776957342 has 24 divisors (see below), whose sum is σ = 341918489640. Its totient is φ = 52581793680.

The previous prime is 157776957341. The next prime is 157776957383. The reversal of 157776957342 is 243759677751.

157776957342 is a `hidden beast` number, since 1 + 57 + 7 + 7 + 6 + 9 + 573 + 4 + 2 = 666.

It is a super-4 number, since 4×157776957342⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157776957342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157776957341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 784417 + ... + 964812.

It is an arithmetic number, because the mean of its divisors is an integer number (14246603735).

Almost surely, 2^157776957342 is an apocalyptic number.

157776957342 is an abundant number, since it is smaller than the sum of its proper divisors (184141532298).

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

157776957342 is a wasteful number, since it uses less digits than its factorization.

157776957342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754248 (or 1754245 counting only the distinct ones).

The product of its digits is 77792400, while the sum is 63.

The spelling of 157776957342 in words is "one hundred fifty-seven billion, seven hundred seventy-six million, nine hundred fifty-seven thousand, three hundred forty-two".