80706500 has 48 divisors (see below), whose sum is σ = 201452160. Its totient is φ = 27669600.

The previous prime is 80706499. The next prime is 80706503. The reversal of 80706500 is 560708.

It is a self number, because there is not a number n which added to its sum of digits gives 80706500.

It is not an unprimeable number, because it can be changed into a prime (80706503) 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, 8030 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (4196920).

Almost surely, 2^80706500 is an apocalyptic number.

It is an amenable number.

80706500 is an abundant number, since it is smaller than the sum of its proper divisors (120745660).

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

80706500 is a wasteful number, since it uses less digits than its factorization.

80706500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085 (or 23073 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 80706500 is about 8983.6796470043. The cubic root of 80706500 is about 432.1516457211.

The spelling of 80706500 in words is "eighty million, seven hundred six thousand, five hundred".