80826427 has 6 divisors (see below), whose sum is σ = 88842404. Its totient is φ = 73478460.

The previous prime is 80826407. The next prime is 80826433. The reversal of 80826427 is 72462808.

It is not a de Polignac number, because 80826427 - 2¹¹ = 80824379 is a prime.

It is a super-2 number, since 2×80826427² = 13065822603172658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80826407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333873 + ... + 334114.

Almost surely, 2^80826427 is an apocalyptic number.

80826427 is a deficient number, since it is larger than the sum of its proper divisors (8015977).

80826427 is a wasteful number, since it uses less digits than its factorization.

80826427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668009 (or 667998 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 80826427 is about 8990.3518841033. The cubic root of 80826427 is about 432.3655937952.

It can be divided in two parts, 8082642 and 7, that added together give a square (8082649 = 2843²).

The spelling of 80826427 in words is "eighty million, eight hundred twenty-six thousand, four hundred twenty-seven".