80703864 has 40 divisors (see below), whose sum is σ = 226047360. Its totient is φ = 26901072.

The previous prime is 80703863. The next prime is 80703871. The reversal of 80703864 is 46830708.

It is a super-2 number, since 2×80703864² = 13026227329060992, which contains 22 as substring.

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 (80703863) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61624 + ... + 62919.

It is an arithmetic number, because the mean of its divisors is an integer number (5651184).

Almost surely, 2^80703864 is an apocalyptic number.

It is an amenable number.

80703864 is an abundant number, since it is smaller than the sum of its proper divisors (145343496).

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

80703864 is a wasteful number, since it uses less digits than its factorization.

80703864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124561 (or 124548 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80703864 is about 8983.5329353212. The cubic root of 80703864 is about 432.1469407546.

The spelling of 80703864 in words is "eighty million, seven hundred three thousand, eight hundred sixty-four".