80475516 has 36 divisors (see below), whose sum is σ = 221918424. Its totient is φ = 24386400.

The previous prime is 80475511. The next prime is 80475523. The reversal of 80475516 is 61557408.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80475511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101215 + ... + 102006.

Almost surely, 2^80475516 is an apocalyptic number.

It is an amenable number.

80475516 is an abundant number, since it is smaller than the sum of its proper divisors (141442908).

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

80475516 is a wasteful number, since it uses less digits than its factorization.

80475516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203242 (or 203237 counting only the distinct ones).

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

The square root of 80475516 is about 8970.8146787234. The cubic root of 80475516 is about 431.7389755452.

The spelling of 80475516 in words is "eighty million, four hundred seventy-five thousand, five hundred sixteen".