84237681294 has 80 divisors (see below), whose sum is σ = 203339276448. Its totient is φ = 25911016128.

The previous prime is 84237681221. The next prime is 84237681317. The reversal of 84237681294 is 49218673248.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 84237681294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11636244 + ... + 11643480.

Almost surely, 2^84237681294 is an apocalyptic number.

84237681294 is an abundant number, since it is smaller than the sum of its proper divisors (119101595154).

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

84237681294 is a wasteful number, since it uses less digits than its factorization.

84237681294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791 (or 12782 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 84237681294 in words is "eighty-four billion, two hundred thirty-seven million, six hundred eighty-one thousand, two hundred ninety-four".