57781074264 has 32 divisors (see below), whose sum is σ = 144742200000. Its totient is φ = 19221756192.

The previous prime is 57781074229. The next prime is 57781074301. The reversal of 57781074264 is 46247018775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400394 + ... + 2424345.

It is an arithmetic number, because the mean of its divisors is an integer number (4523193750).

Almost surely, 2^57781074264 is an apocalyptic number.

It is an amenable number.

57781074264 is an abundant number, since it is smaller than the sum of its proper divisors (86961125736).

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

57781074264 is a wasteful number, since it uses less digits than its factorization.

57781074264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825247 (or 4825243 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 57781074264 in words is "fifty-seven billion, seven hundred eighty-one million, seventy-four thousand, two hundred sixty-four".