83918007 has 12 divisors (see below), whose sum is σ = 126485424. Its totient is φ = 53512800.

The previous prime is 83917997. The next prime is 83918033. The reversal of 83918007 is 70081938.

It is not a de Polignac number, because 83918007 - 2⁷ = 83917879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83918057) 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, 202494 + ... + 202907.

It is an arithmetic number, because the mean of its divisors is an integer number (10540452).

Almost surely, 2^83918007 is an apocalyptic number.

83918007 is a deficient number, since it is larger than the sum of its proper divisors (42567417).

83918007 is a wasteful number, since it uses less digits than its factorization.

83918007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405430 (or 405427 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 83918007 is about 9160.6772129576. The cubic root of 83918007 is about 437.8093716027.

The spelling of 83918007 in words is "eighty-three million, nine hundred eighteen thousand, seven".