83628507 has 8 divisors (see below), whose sum is σ = 114097984. Its totient is φ = 54455688.

The previous prime is 83628487. The next prime is 83628511. The reversal of 83628507 is 70582638.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83628507 - 2⁷ = 83628379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83628527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324013 + ... + 324270.

It is an arithmetic number, because the mean of its divisors is an integer number (14262248).

Almost surely, 2^83628507 is an apocalyptic number.

83628507 is a deficient number, since it is larger than the sum of its proper divisors (30469477).

83628507 is a wasteful number, since it uses less digits than its factorization.

83628507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648329.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 83628507 is about 9144.8623281053. The cubic root of 83628507 is about 437.3053405583.

The spelling of 83628507 in words is "eighty-three million, six hundred twenty-eight thousand, five hundred seven".