716878305 has 96 divisors (see below), whose sum is σ = 1475615232. Its totient is φ = 317376000.

The previous prime is 716878291. The next prime is 716878319. The reversal of 716878305 is 503878617.

It is an interprime number because it is at equal distance from previous prime (716878291) and next prime (716878319).

It is not a de Polignac number, because 716878305 - 2⁵ = 716878273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 649384 + ... + 650486.

It is an arithmetic number, because the mean of its divisors is an integer number (15370992).

Almost surely, 2^716878305 is an apocalyptic number.

It is an amenable number.

716878305 is an abundant number, since it is smaller than the sum of its proper divisors (758736927).

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

716878305 is a wasteful number, since it uses less digits than its factorization.

716878305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 716878305 is about 26774.5831900330. The cubic root of 716878305 is about 894.9837413690.

The spelling of 716878305 in words is "seven hundred sixteen million, eight hundred seventy-eight thousand, three hundred five".