84942256380 has 24 divisors (see below), whose sum is σ = 237838318032. Its totient is φ = 22651268352.

The previous prime is 84942256337. The next prime is 84942256429. The reversal of 84942256380 is 8365224948.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707852077 + ... + 707852196.

It is an arithmetic number, because the mean of its divisors is an integer number (9909929918).

Almost surely, 2^84942256380 is an apocalyptic number.

It is an amenable number.

84942256380 is an abundant number, since it is smaller than the sum of its proper divisors (152896061652).

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

84942256380 is a wasteful number, since it uses less digits than its factorization.

84942256380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415704285 (or 1415704283 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 84942256380 in words is "eighty-four billion, nine hundred forty-two million, two hundred fifty-six thousand, three hundred eighty".