78057795074 has 48 divisors (see below), whose sum is σ = 141120636480. Its totient is φ = 32249095200.

The previous prime is 78057794977. The next prime is 78057795077. The reversal of 78057795074 is 47059775087.

It is not an unprimeable number, because it can be changed into a prime (78057795077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1817549 + ... + 1859999.

It is an arithmetic number, because the mean of its divisors is an integer number (2940013260).

Almost surely, 2^78057795074 is an apocalyptic number.

78057795074 is a deficient number, since it is larger than the sum of its proper divisors (63062841406).

78057795074 is a wasteful number, since it uses less digits than its factorization.

78057795074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43143 (or 43136 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 59.

The spelling of 78057795074 in words is "seventy-eight billion, fifty-seven million, seven hundred ninety-five thousand, seventy-four".