85879507 has 6 divisors (see below), whose sum is σ = 99900708. Its totient is φ = 73610964.

The previous prime is 85879499. The next prime is 85879513. The reversal of 85879507 is 70597858.

It is not a de Polignac number, because 85879507 - 2³ = 85879499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1752643 = 85879507 / (8 + 5 + 8 + 7 + 9 + 5 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85879007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876273 + ... + 876370.

It is an arithmetic number, because the mean of its divisors is an integer number (16650118).

Almost surely, 2^85879507 is an apocalyptic number.

85879507 is a deficient number, since it is larger than the sum of its proper divisors (14021201).

85879507 is a wasteful number, since it uses less digits than its factorization.

85879507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752657 (or 1752650 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 85879507 is about 9267.1196711815. The cubic root of 85879507 is about 441.1942538857.

The spelling of 85879507 in words is "eighty-five million, eight hundred seventy-nine thousand, five hundred seven".