80897565010 has 8 divisors (see below), whose sum is σ = 145615617036. Its totient is φ = 32359026000.

The previous prime is 80897564987. The next prime is 80897565011. The reversal of 80897565010 is 1056579808.

It can be written as a sum of positive squares in 2 ways, for example, as 78824493049 + 2073071961 = 280757^2 + 45531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80897565011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044878241 + ... + 4044878260.

Almost surely, 2^80897565010 is an apocalyptic number.

80897565010 is a deficient number, since it is larger than the sum of its proper divisors (64718052026).

80897565010 is a wasteful number, since it uses less digits than its factorization.

80897565010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089756508.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 80897565010 in words is "eighty billion, eight hundred ninety-seven million, five hundred sixty-five thousand, ten".