80436876 has 24 divisors (see below), whose sum is σ = 202123824. Its totient is φ = 24749760.

The previous prime is 80436871. The next prime is 80436901. The reversal of 80436876 is 67863408.

It is not an unprimeable number, because it can be changed into a prime (80436871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257655 + ... + 257966.

It is an arithmetic number, because the mean of its divisors is an integer number (8421826).

Almost surely, 2^80436876 is an apocalyptic number.

It is an amenable number.

80436876 is an abundant number, since it is smaller than the sum of its proper divisors (121686948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80436876 is a wasteful number, since it uses less digits than its factorization.

80436876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515641 (or 515639 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 80436876 is about 8968.6607695910. The cubic root of 80436876 is about 431.6698652304.

The spelling of 80436876 in words is "eighty million, four hundred thirty-six thousand, eight hundred seventy-six".