80455671 has 12 divisors (see below), whose sum is σ = 122330520. Its totient is φ = 50814000.

The previous prime is 80455663. The next prime is 80455673. The reversal of 80455671 is 17655408.

It is not a de Polignac number, because 80455671 - 2³ = 80455663 is a prime.

It is a super-2 number, since 2×80455671² = 12946229992120482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80455673) 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, 235080 + ... + 235421.

It is an arithmetic number, because the mean of its divisors is an integer number (10194210).

Almost surely, 2^80455671 is an apocalyptic number.

80455671 is a deficient number, since it is larger than the sum of its proper divisors (41874849).

80455671 is a wasteful number, since it uses less digits than its factorization.

80455671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470526 (or 470523 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 80455671 is about 8969.7085236924. The cubic root of 80455671 is about 431.7034841528.

The spelling of 80455671 in words is "eighty million, four hundred fifty-five thousand, six hundred seventy-one".