83906715 has 16 divisors (see below), whose sum is σ = 138880800. Its totient is φ = 43206912.

The previous prime is 83906707. The next prime is 83906761. The reversal of 83906715 is 51760938.

It is not a de Polignac number, because 83906715 - 2³ = 83906707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96010 + ... + 96879.

It is an arithmetic number, because the mean of its divisors is an integer number (8680050).

Almost surely, 2^83906715 is an apocalyptic number.

83906715 is a deficient number, since it is larger than the sum of its proper divisors (54974085).

83906715 is a wasteful number, since it uses less digits than its factorization.

83906715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192926.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 83906715 is about 9160.0608622432. The cubic root of 83906715 is about 437.7897335244.

The spelling of 83906715 in words is "eighty-three million, nine hundred six thousand, seven hundred fifteen".