80897641011 has 12 divisors (see below), whose sum is σ = 127475070840. Its totient is φ = 49028873280.

The previous prime is 80897640961. The next prime is 80897641049. The reversal of 80897641011 is 11014679808.

It is a happy number.

80897641011 is a `hidden beast` number, since 80 + 89 + 76 + 410 + 11 = 666.

It is not a de Polignac number, because 80897641011 - 2²³ = 80889252403 is a prime.

It is a super-2 number, since 2×80897641011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80897641511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408573846 + ... + 408574043.

It is an arithmetic number, because the mean of its divisors is an integer number (10622922570).

Almost surely, 2^80897641011 is an apocalyptic number.

80897641011 is a deficient number, since it is larger than the sum of its proper divisors (46577429829).

80897641011 is a wasteful number, since it uses less digits than its factorization.

80897641011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817147906 (or 817147903 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 80897641011 in words is "eighty billion, eight hundred ninety-seven million, six hundred forty-one thousand, eleven".