80662626867 has 4 divisors (see below), whose sum is σ = 107550169160. Its totient is φ = 53775084576.

The previous prime is 80662626857. The next prime is 80662626887. The reversal of 80662626867 is 76862626608.

It is a happy number.

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

It is not a de Polignac number, because 80662626867 - 2¹⁵ = 80662594099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80662626827) 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, 13443771142 + ... + 13443771147.

It is an arithmetic number, because the mean of its divisors is an integer number (26887542290).

Almost surely, 2^80662626867 is an apocalyptic number.

80662626867 is a deficient number, since it is larger than the sum of its proper divisors (26887542293).

80662626867 is a wasteful number, since it uses less digits than its factorization.

80662626867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26887542292.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 80662626867 in words is "eighty billion, six hundred sixty-two million, six hundred twenty-six thousand, eight hundred sixty-seven".