84292434782928 has 60 divisors (see below), whose sum is σ = 235902613935040. Its totient is φ = 28097374713408.

The previous prime is 84292434782909. The next prime is 84292434782953. The reversal of 84292434782928 is 82928743429248.

84292434782928 is a `hidden beast` number, since 8 + 4 + 2 + 92 + 43 + 478 + 2 + 9 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 44918475 + ... + 46757397.

Almost surely, 2^{84292434782928} is an apocalyptic number.

It is an amenable number.

84292434782928 is an abundant number, since it is smaller than the sum of its proper divisors (151610179152112).

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

84292434782928 is a wasteful number, since it uses less digits than its factorization.

84292434782928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157256 (or 2157247 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 72.

The spelling of 84292434782928 in words is "eighty-four trillion, two hundred ninety-two billion, four hundred thirty-four million, seven hundred eighty-two thousand, nine hundred twenty-eight".