80928144264 has 64 divisors (see below), whose sum is σ = 230309360640. Its totient is φ = 23457431360.

The previous prime is 80928144263. The next prime is 80928144293. The reversal of 80928144264 is 46244182908.

It is a happy number.

It is a super-2 number, since 2×80928144264² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80928144263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6657972 + ... + 6670115.

It is an arithmetic number, because the mean of its divisors is an integer number (3598583760).

Almost surely, 2^80928144264 is an apocalyptic number.

It is an amenable number.

80928144264 is an abundant number, since it is smaller than the sum of its proper divisors (149381216376).

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

80928144264 is a wasteful number, since it uses less digits than its factorization.

80928144264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328130 (or 13328126 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 80928144264 in words is "eighty billion, nine hundred twenty-eight million, one hundred forty-four thousand, two hundred sixty-four".