80890062901 has 2 divisors, whose sum is σ = 80890062902. Its totient is φ = 80890062900.

The previous prime is 80890062899. The next prime is 80890062941. The reversal of 80890062901 is 10926009808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77092299025 + 3797763876 = 277655^2 + 61626^2 .

It is a cyclic number.

It is not a de Polignac number, because 80890062901 - 2¹ = 80890062899 is a prime.

It is a super-2 number, since 2×80890062901² (a number of 23 digits) contains 22 as substring.

Together with 80890062899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80890062941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40445031450 + 40445031451.

It is an arithmetic number, because the mean of its divisors is an integer number (40445031451).

Almost surely, 2^80890062901 is an apocalyptic number.

It is an amenable number.

80890062901 is a deficient number, since it is larger than the sum of its proper divisors (1).

80890062901 is an equidigital number, since it uses as much as digits as its factorization.

80890062901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 80890062901 in words is "eighty billion, eight hundred ninety million, sixty-two thousand, nine hundred one".