83700007 has 4 divisors (see below), whose sum is σ = 83883616. Its totient is φ = 83516400.

The previous prime is 83699999. The next prime is 83700037. The reversal of 83700007 is 70000738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83700007 - 2³ = 83699999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83700037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91119 + ... + 92032.

It is an arithmetic number, because the mean of its divisors is an integer number (20970904).

Almost surely, 2^83700007 is an apocalyptic number.

83700007 is a deficient number, since it is larger than the sum of its proper divisors (183609).

83700007 is a wasteful number, since it uses less digits than its factorization.

83700007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183608.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 83700007 is about 9148.7707917512. The cubic root of 83700007 is about 437.4299329424.

The spelling of 83700007 in words is "eighty-three million, seven hundred thousand, seven".