80425026628 has 6 divisors (see below), whose sum is σ = 140743796606. Its totient is φ = 40212513312.

The previous prime is 80425026611. The next prime is 80425026677. The reversal of 80425026628 is 82662052408.

It can be written as a sum of positive squares in only one way, i.e., 79158947904 + 1266078724 = 281352^2 + 35582^2 .

It is a super-2 number, since 2×80425026628² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053128325 + ... + 10053128332.

Almost surely, 2^80425026628 is an apocalyptic number.

It is an amenable number.

80425026628 is a deficient number, since it is larger than the sum of its proper divisors (60318769978).

80425026628 is a wasteful number, since it uses less digits than its factorization.

80425026628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20106256661 (or 20106256659 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 80425026628 in words is "eighty billion, four hundred twenty-five million, twenty-six thousand, six hundred twenty-eight".