80654494728 has 16 divisors (see below), whose sum is σ = 201636236880. Its totient is φ = 26884831568.

The previous prime is 80654494727. The next prime is 80654494751. The reversal of 80654494728 is 82749445608.

It is not an unprimeable number, because it can be changed into a prime (80654494721) 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, 1680301950 + ... + 1680301997.

It is an arithmetic number, because the mean of its divisors is an integer number (12602264805).

Almost surely, 2^80654494728 is an apocalyptic number.

It is an amenable number.

80654494728 is an abundant number, since it is smaller than the sum of its proper divisors (120981742152).

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

80654494728 is a wasteful number, since it uses less digits than its factorization.

80654494728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360603956 (or 3360603952 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 80654494728 in words is "eighty billion, six hundred fifty-four million, four hundred ninety-four thousand, seven hundred twenty-eight".