80863300861 has 16 divisors (see below), whose sum is σ = 94397497344. Its totient is φ = 67825179504.

The previous prime is 80863300831. The next prime is 80863300897. The reversal of 80863300861 is 16800336808.

It is a cyclic number.

It is not a de Polignac number, because 80863300861 - 2²⁵ = 80829746429 is a prime.

It is a super-2 number, since 2×80863300861² (a number of 23 digits) contains 22 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 (80863300831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319586 + ... + 2354188.

It is an arithmetic number, because the mean of its divisors is an integer number (5899843584).

Almost surely, 2^80863300861 is an apocalyptic number.

It is an amenable number.

80863300861 is a deficient number, since it is larger than the sum of its proper divisors (13534196483).

80863300861 is a wasteful number, since it uses less digits than its factorization.

80863300861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41760.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 80863300861 in words is "eighty billion, eight hundred sixty-three million, three hundred thousand, eight hundred sixty-one".