80897605263 has 6 divisors (see below), whose sum is σ = 116852096504. Its totient is φ = 53931736836.

The previous prime is 80897605259. The next prime is 80897605267. The reversal of 80897605263 is 36250679808.

It is a happy number.

80897605263 is a `hidden beast` number, since 8 + 0 + 8 + 9 + 7 + 605 + 26 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (80897605259) and next prime (80897605267).

It is not a de Polignac number, because 80897605263 - 2² = 80897605259 is a prime.

It is a super-3 number, since 3×80897605263³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80897605267) 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, 4494311395 + ... + 4494311412.

Almost surely, 2^80897605263 is an apocalyptic number.

80897605263 is a deficient number, since it is larger than the sum of its proper divisors (35954491241).

80897605263 is a wasteful number, since it uses less digits than its factorization.

80897605263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988622813 (or 8988622810 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 80897605263 in words is "eighty billion, eight hundred ninety-seven million, six hundred five thousand, two hundred sixty-three".