84958076478 has 32 divisors (see below), whose sum is σ = 186387207552. Its totient is φ = 25602631200.

The previous prime is 84958076381. The next prime is 84958076479. The reversal of 84958076478 is 87467085948.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84958076479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543976 + ... + 3567867.

It is an arithmetic number, because the mean of its divisors is an integer number (5824600236).

Almost surely, 2^84958076478 is an apocalyptic number.

84958076478 is an abundant number, since it is smaller than the sum of its proper divisors (101429131074).

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

84958076478 is a wasteful number, since it uses less digits than its factorization.

84958076478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112040.

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 84958076478 in words is "eighty-four billion, nine hundred fifty-eight million, seventy-six thousand, four hundred seventy-eight".