80417870 has 64 divisors (see below), whose sum is σ = 163840320. Its totient is φ = 28213248.

The previous prime is 80417863. The next prime is 80417881. The reversal of 80417870 is 7871408.

It is a self number, because there is not a number n which added to its sum of digits gives 80417870.

It is a congruent number.

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, 312782 + ... + 313038.

It is an arithmetic number, because the mean of its divisors is an integer number (2560005).

Almost surely, 2^80417870 is an apocalyptic number.

80417870 is an abundant number, since it is smaller than the sum of its proper divisors (83422450).

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

80417870 is a wasteful number, since it uses less digits than its factorization.

80417870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 80417870 is about 8967.6011285070. The cubic root of 80417870 is about 431.6358635630.

It can be divided in two parts, 804 and 17870, that multiplied together give a triangular number (14367480 = T₅₃₆₀).

The spelling of 80417870 in words is "eighty million, four hundred seventeen thousand, eight hundred seventy".