80428571508 has 24 divisors (see below), whose sum is σ = 187872693120. Its totient is φ = 26780091520.

The previous prime is 80428571479. The next prime is 80428571513. The reversal of 80428571508 is 80517582408.

It is a super-2 number, since 2×80428571508² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3667653 + ... + 3689516.

It is an arithmetic number, because the mean of its divisors is an integer number (7828028880).

Almost surely, 2^80428571508 is an apocalyptic number.

It is an amenable number.

80428571508 is an abundant number, since it is smaller than the sum of its proper divisors (107444121612).

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

80428571508 is a wasteful number, since it uses less digits than its factorization.

80428571508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358087 (or 7358085 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 80428571508 in words is "eighty billion, four hundred twenty-eight million, five hundred seventy-one thousand, five hundred eight".