84647407936 has 56 divisors (see below), whose sum is σ = 206735029760. Its totient is φ = 33486884352.

The previous prime is 84647407931. The next prime is 84647407961. The reversal of 84647407936 is 63970474648.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84647407931) 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, 7261296 + ... + 7272943.

It is an arithmetic number, because the mean of its divisors is an integer number (3691696960).

Almost surely, 2^84647407936 is an apocalyptic number.

It is an amenable number.

84647407936 is an abundant number, since it is smaller than the sum of its proper divisors (122087621824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84647407936 is a wasteful number, since it uses less digits than its factorization.

84647407936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14534271 (or 14534261 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 84647407936 in words is "eighty-four billion, six hundred forty-seven million, four hundred seven thousand, nine hundred thirty-six".