80654494990 has 16 divisors (see below), whose sum is σ = 148554326448. Its totient is φ = 31511523456.

The previous prime is 80654494981. The next prime is 80654495059. The reversal of 80654494990 is 9949445608.

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 7 ways as a sum of consecutive naturals, for example, 93783867 + ... + 93784726.

It is an arithmetic number, because the mean of its divisors is an integer number (9284645403).

Almost surely, 2^80654494990 is an apocalyptic number.

80654494990 is a deficient number, since it is larger than the sum of its proper divisors (67899831458).

80654494990 is a wasteful number, since it uses less digits than its factorization.

80654494990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187568643.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 80654494990 in words is "eighty billion, six hundred fifty-four million, four hundred ninety-four thousand, nine hundred ninety".