80862697 has 2 divisors, whose sum is σ = 80862698. Its totient is φ = 80862696.

The previous prime is 80862679. The next prime is 80862731. The reversal of 80862697 is 79626808.

Together with previous prime (80862679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 5103081 = 8704^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 80862697 - 2¹⁹ = 80338409 is a prime.

It is a super-2 number, since 2×80862697² = 13077551532227618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80862647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40431348 + 40431349.

It is an arithmetic number, because the mean of its divisors is an integer number (40431349).

Almost surely, 2^80862697 is an apocalyptic number.

It is an amenable number.

80862697 is a deficient number, since it is larger than the sum of its proper divisors (1).

80862697 is an equidigital number, since it uses as much as digits as its factorization.

80862697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 80862697 is about 8992.3688202831. The cubic root of 80862697 is about 432.4302572786.

The spelling of 80862697 in words is "eighty million, eight hundred sixty-two thousand, six hundred ninety-seven".