8066771400 has 48 divisors (see below), whose sum is σ = 25006993200. Its totient is φ = 2151138880.

The previous prime is 8066771369. The next prime is 8066771431. The reversal of 8066771400 is 41776608.

It is an interprime number because it is at equal distance from previous prime (8066771369) and next prime (8066771431).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6721710 + ... + 6722909.

It is an arithmetic number, because the mean of its divisors is an integer number (520979025).

Almost surely, 2^8066771400 is an apocalyptic number.

It is an amenable number.

8066771400 is an abundant number, since it is smaller than the sum of its proper divisors (16940221800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8066771400 is a wasteful number, since it uses less digits than its factorization.

8066771400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444638 (or 13444629 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 8066771400 is about 89815.2069529431. The cubic root of 8066771400 is about 2005.5488740940.

The spelling of 8066771400 in words is "eight billion, sixty-six million, seven hundred seventy-one thousand, four hundred".