78507574114048 has 72 divisors (see below), whose sum is σ = 169785382879728. Its totient is φ = 36085560655872.

The previous prime is 78507574113979. The next prime is 78507574114121. The reversal of 78507574114048 is 84041147570587.

It is a super-2 number, since 2×78507574114048² (a number of 29 digits) contains 22 as substring.

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, 209573611 + ... + 209947882.

It is an arithmetic number, because the mean of its divisors is an integer number (2358130317774).

Almost surely, 2^{78507574114048} is an apocalyptic number.

It is an amenable number.

78507574114048 is an abundant number, since it is smaller than the sum of its proper divisors (91277808765680).

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

78507574114048 is a wasteful number, since it uses less digits than its factorization.

78507574114048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419521569 (or 419521555 counting only the distinct ones).

The product of its (nonzero) digits is 35123200, while the sum is 61.

The spelling of 78507574114048 in words is "seventy-eight trillion, five hundred seven billion, five hundred seventy-four million, one hundred fourteen thousand, forty-eight".