7855216967 has 8 divisors (see below), whose sum is σ = 8466455424. Its totient is φ = 7244977248.

The previous prime is 7855216961. The next prime is 7855216981. The reversal of 7855216967 is 7696125587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7855216967 - 2⁴ = 7855216951 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 (7855216961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233303 + ... + 264840.

It is an arithmetic number, because the mean of its divisors is an integer number (1058306928).

Almost surely, 2^7855216967 is an apocalyptic number.

7855216967 is a deficient number, since it is larger than the sum of its proper divisors (611238457).

7855216967 is a wasteful number, since it uses less digits than its factorization.

7855216967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499369.

The product of its digits is 6350400, while the sum is 56.

The square root of 7855216967 is about 88629.6618914909. The cubic root of 7855216967 is about 1987.8612213302.

The spelling of 7855216967 in words is "seven billion, eight hundred fifty-five million, two hundred sixteen thousand, nine hundred sixty-seven".