80625985 has 32 divisors (see below), whose sum is σ = 113933952. Its totient is φ = 54113280.

The previous prime is 80625959. The next prime is 80626001. The reversal of 80625985 is 58952608.

It is not a de Polignac number, because 80625985 - 2¹¹ = 80623937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48742 + ... + 50368.

It is an arithmetic number, because the mean of its divisors is an integer number (3560436).

Almost surely, 2^80625985 is an apocalyptic number.

80625985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80625985 is a deficient number, since it is larger than the sum of its proper divisors (33307967).

80625985 is a wasteful number, since it uses less digits than its factorization.

80625985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 80625985 is about 8979.1973472020. The cubic root of 80625985 is about 432.0078891592.

The spelling of 80625985 in words is "eighty million, six hundred twenty-five thousand, nine hundred eighty-five".