80021574351 has 40 divisors (see below), whose sum is σ = 120578540544. Its totient is φ = 52884997200.

The previous prime is 80021574343. The next prime is 80021574427. The reversal of 80021574351 is 15347512008.

80021574351 is a `hidden beast` number, since 8 + 0 + 0 + 215 + 7 + 435 + 1 = 666.

It is not a de Polignac number, because 80021574351 - 2³ = 80021574343 is a prime.

It is a super-2 number, since 2×80021574351² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80021574341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6145690 + ... + 6158696.

Almost surely, 2^80021574351 is an apocalyptic number.

80021574351 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80021574351 is a deficient number, since it is larger than the sum of its proper divisors (40556966193).

80021574351 is a wasteful number, since it uses less digits than its factorization.

80021574351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673 (or 13664 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 80021574351 in words is "eighty billion, twenty-one million, five hundred seventy-four thousand, three hundred fifty-one".