80886390445 has 16 divisors (see below), whose sum is σ = 111911592960. Its totient is φ = 54974110464.

The previous prime is 80886390419. The next prime is 80886390449. The reversal of 80886390445 is 54409368808.

It is not a de Polignac number, because 80886390445 - 2⁹ = 80886389933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80886390449) 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, 10221885 + ... + 10229794.

It is an arithmetic number, because the mean of its divisors is an integer number (6994474560).

Almost surely, 2^80886390445 is an apocalyptic number.

It is an amenable number.

80886390445 is a deficient number, since it is larger than the sum of its proper divisors (31025202515).

80886390445 is a wasteful number, since it uses less digits than its factorization.

80886390445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451804.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 80886390445 in words is "eighty billion, eight hundred eighty-six million, three hundred ninety thousand, four hundred forty-five".