84087879 has 8 divisors (see below), whose sum is σ = 112159872. Its totient is φ = 56037240.

The previous prime is 84087877. The next prime is 84087889. The reversal of 84087879 is 97878048.

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

It is not a de Polignac number, because 84087879 - 2¹ = 84087877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84087877) 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, 10984 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (14019984).

Almost surely, 2^84087879 is an apocalyptic number.

84087879 is a deficient number, since it is larger than the sum of its proper divisors (28071993).

84087879 is a wasteful number, since it uses less digits than its factorization.

84087879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677.

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 84087879 is about 9169.9443291658. The cubic root of 84087879 is about 438.1045860630.

The spelling of 84087879 in words is "eighty-four million, eighty-seven thousand, eight hundred seventy-nine".