84880790478 has 48 divisors (see below), whose sum is σ = 200710656432. Its totient is φ = 25710768000.

The previous prime is 84880790471. The next prime is 84880790531. The reversal of 84880790478 is 87409708848.

84880790478 is a `hidden beast` number, since 84 + 8 + 80 + 7 + 9 + 0 + 478 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84880790471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395508 + ... + 571128.

It is an arithmetic number, because the mean of its divisors is an integer number (4181472009).

Almost surely, 2^84880790478 is an apocalyptic number.

84880790478 is an abundant number, since it is smaller than the sum of its proper divisors (115829865954).

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

84880790478 is a wasteful number, since it uses less digits than its factorization.

84880790478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178081 (or 178078 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 84880790478 in words is "eighty-four billion, eight hundred eighty million, seven hundred ninety thousand, four hundred seventy-eight".