80835516 has 48 divisors (see below), whose sum is σ = 210290080. Its totient is φ = 26853120.

The previous prime is 80835511. The next prime is 80835607. The reversal of 80835516 is 61553808.

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 (80835511) 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, 35286 + ... + 37506.

Almost surely, 2^80835516 is an apocalyptic number.

It is an amenable number.

80835516 is an abundant number, since it is smaller than the sum of its proper divisors (129454564).

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

80835516 is a wasteful number, since it uses less digits than its factorization.

80835516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 80835516 is about 8990.8573562258. The cubic root of 80835516 is about 432.3817998132.

The spelling of 80835516 in words is "eighty million, eight hundred thirty-five thousand, five hundred sixteen".