91676676835 has 4 divisors (see below), whose sum is σ = 110012012208. Its totient is φ = 73341341464.

The previous prime is 91676676827. The next prime is 91676676841. The reversal of 91676676835 is 53867667619.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91676676835 - 2³ = 91676676827 is a prime.

It is a super-2 number, since 2×91676676835² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9167667679 + ... + 9167667688.

It is an arithmetic number, because the mean of its divisors is an integer number (27503003052).

Almost surely, 2^91676676835 is an apocalyptic number.

91676676835 is a deficient number, since it is larger than the sum of its proper divisors (18335335373).

91676676835 is a wasteful number, since it uses less digits than its factorization.

91676676835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335335372.

The product of its digits is 68584320, while the sum is 64.

The spelling of 91676676835 in words is "ninety-one billion, six hundred seventy-six million, six hundred seventy-six thousand, eight hundred thirty-five".