84089650815 has 12 divisors (see below), whose sum is σ = 145755394824. Its totient is φ = 44847813744.

The previous prime is 84089650769. The next prime is 84089650819. The reversal of 84089650815 is 51805698048.

It is a happy number.

84089650815 is a `hidden beast` number, since 8 + 40 + 8 + 96 + 508 + 1 + 5 = 666.

It is not a de Polignac number, because 84089650815 - 2²⁶ = 84022541951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84089650819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934329409 + ... + 934329498.

It is an arithmetic number, because the mean of its divisors is an integer number (12146282902).

Almost surely, 2^84089650815 is an apocalyptic number.

84089650815 is a deficient number, since it is larger than the sum of its proper divisors (61665744009).

84089650815 is a wasteful number, since it uses less digits than its factorization.

84089650815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868658918 (or 1868658915 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 84089650815 in words is "eighty-four billion, eighty-nine million, six hundred fifty thousand, eight hundred fifteen".