7790216880 has 40 divisors (see below), whose sum is σ = 24149673072. Its totient is φ = 2077391104.

The previous prime is 7790216873. The next prime is 7790216881. The reversal of 7790216880 is 886120977.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7790216881) 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, 16229379 + ... + 16229858.

Almost surely, 2^7790216880 is an apocalyptic number.

It is an amenable number.

7790216880 is an abundant number, since it is smaller than the sum of its proper divisors (16359456192).

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

7790216880 is a wasteful number, since it uses less digits than its factorization.

7790216880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32459253 (or 32459247 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 7790216880 is about 88262.2052749647. The cubic root of 7790216880 is about 1982.3629986104.

The spelling of 7790216880 in words is "seven billion, seven hundred ninety million, two hundred sixteen thousand, eight hundred eighty".