7855073879967 has 16 divisors (see below), whose sum is σ = 11637444074080. Its totient is φ = 5236582006656.

The previous prime is 7855073879927. The next prime is 7855073880041. The reversal of 7855073879967 is 7699783705587.

7855073879967 is a `hidden beast` number, since 7 + 8 + 5 + 507 + 38 + 79 + 9 + 6 + 7 = 666.

It is not a de Polignac number, because 7855073879967 - 2¹² = 7855073875871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7855073879927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638708 + ... + 4761609.

It is an arithmetic number, because the mean of its divisors is an integer number (727340254630).

Almost surely, 2^{7855073879967} is an apocalyptic number.

7855073879967 is a deficient number, since it is larger than the sum of its proper divisors (3782370194113).

7855073879967 is a wasteful number, since it uses less digits than its factorization.

7855073879967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439639 (or 7439633 counting only the distinct ones).

The product of its (nonzero) digits is 5601052800, while the sum is 81.

The spelling of 7855073879967 in words is "seven trillion, eight hundred fifty-five billion, seventy-three million, eight hundred seventy-nine thousand, nine hundred sixty-seven".