84079382715 has 24 divisors (see below), whose sum is σ = 145746985488. Its totient is φ = 44839448640.

The previous prime is 84079382687. The next prime is 84079382741. The reversal of 84079382715 is 51728397048.

It is a happy number.

84079382715 is a `hidden beast` number, since 8 + 407 + 93 + 82 + 71 + 5 = 666.

It is not a de Polignac number, because 84079382715 - 2¹¹ = 84079380667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772785 + ... + 874845.

It is an arithmetic number, because the mean of its divisors is an integer number (6072791062).

Almost surely, 2^84079382715 is an apocalyptic number.

84079382715 is a deficient number, since it is larger than the sum of its proper divisors (61667602773).

84079382715 is a wasteful number, since it uses less digits than its factorization.

84079382715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120379 (or 120376 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 84079382715 in words is "eighty-four billion, seventy-nine million, three hundred eighty-two thousand, seven hundred fifteen".