80527831 has 2 divisors, whose sum is σ = 80527832. Its totient is φ = 80527830.

The previous prime is 80527819. The next prime is 80527841. The reversal of 80527831 is 13872508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80527831 - 2¹³ = 80519639 is a prime.

It is a super-2 number, since 2×80527831² = 12969463131129122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80527841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40263915 + 40263916.

It is an arithmetic number, because the mean of its divisors is an integer number (40263916).

Almost surely, 2^80527831 is an apocalyptic number.

80527831 is a deficient number, since it is larger than the sum of its proper divisors (1).

80527831 is an equidigital number, since it uses as much as digits as its factorization.

80527831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 80527831 is about 8973.7300494276. The cubic root of 80527831 is about 431.8325093018.

The spelling of 80527831 in words is "eighty million, five hundred twenty-seven thousand, eight hundred thirty-one".