80897075061 has 64 divisors (see below), whose sum is σ = 123947974656. Its totient is φ = 46495512000.

The previous prime is 80897075053. The next prime is 80897075089. The reversal of 80897075061 is 16057079808.

It is not a de Polignac number, because 80897075061 - 2³ = 80897075053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80897074995 and 80897075013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80897071061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8465236 + ... + 8474786.

It is an arithmetic number, because the mean of its divisors is an integer number (1936687104).

Almost surely, 2^80897075061 is an apocalyptic number.

It is an amenable number.

80897075061 is a deficient number, since it is larger than the sum of its proper divisors (43050899595).

80897075061 is a wasteful number, since it uses less digits than its factorization.

80897075061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 80897075061 in words is "eighty billion, eight hundred ninety-seven million, seventy-five thousand, sixty-one".