80777085467 has 4 divisors (see below), whose sum is σ = 86990707440. Its totient is φ = 74563463496.

The previous prime is 80777085457. The next prime is 80777085491. The reversal of 80777085467 is 76458077708.

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 80777085467 - 2¹⁶ = 80777019931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80777085407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3106810967 + ... + 3106810992.

It is an arithmetic number, because the mean of its divisors is an integer number (21747676860).

Almost surely, 2^80777085467 is an apocalyptic number.

80777085467 is a deficient number, since it is larger than the sum of its proper divisors (6213621973).

80777085467 is a wasteful number, since it uses less digits than its factorization.

80777085467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213621972.

The product of its (nonzero) digits is 18439680, while the sum is 59.

The spelling of 80777085467 in words is "eighty billion, seven hundred seventy-seven million, eighty-five thousand, four hundred sixty-seven".