84715994 has 24 divisors (see below), whose sum is σ = 143277984. Its totient is φ = 37255800.

The previous prime is 84715991. The next prime is 84716011. The reversal of 84715994 is 49951748.

It is not an unprimeable number, because it can be changed into a prime (84715991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19139 + ... + 23145.

It is an arithmetic number, because the mean of its divisors is an integer number (5969916).

Almost surely, 2^84715994 is an apocalyptic number.

84715994 is a deficient number, since it is larger than the sum of its proper divisors (58561990).

84715994 is a wasteful number, since it uses less digits than its factorization.

84715994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4051 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 84715994 is about 9204.1291820574. The cubic root of 84715994 is about 439.1927243285.

The spelling of 84715994 in words is "eighty-four million, seven hundred fifteen thousand, nine hundred ninety-four".