30699700080 has 80 divisors (see below), whose sum is σ = 108764657664. Its totient is φ = 7017073920.

The previous prime is 30699700067. The next prime is 30699700111. The reversal of 30699700080 is 8000799603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9135136 + ... + 9138495.

Almost surely, 2^30699700080 is an apocalyptic number.

30699700080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30699700080 is an abundant number, since it is smaller than the sum of its proper divisors (78064957584).

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

30699700080 is a wasteful number, since it uses less digits than its factorization.

30699700080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273654 (or 18273648 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 30699700080 in words is "thirty billion, six hundred ninety-nine million, seven hundred thousand, eighty".