84717916 has 18 divisors (see below), whose sum is σ = 153200040. Its totient is φ = 40990680.

The previous prime is 84717907. The next prime is 84717917. The reversal of 84717916 is 61971748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84717917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7176 + ... + 14863.

Almost surely, 2^84717916 is an apocalyptic number.

It is an amenable number.

84717916 is a deficient number, since it is larger than the sum of its proper divisors (68482124).

84717916 is a wasteful number, since it uses less digits than its factorization.

84717916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105 (or 22072 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 84717916 is about 9204.2335911253. The cubic root of 84717916 is about 439.1960457086.

The spelling of 84717916 in words is "eighty-four million, seven hundred seventeen thousand, nine hundred sixteen".