84739999993748 has 48 divisors (see below), whose sum is σ = 163290962318400. Its totient is φ = 38157574855680.

The previous prime is 84739999993709. The next prime is 84739999993757.

84739999993748 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×84739999993748² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408027998 + ... + 408235626.

It is an arithmetic number, because the mean of its divisors is an integer number (3401895048300).

Almost surely, 2^{84739999993748} is an apocalyptic number.

It is an amenable number.

84739999993748 is a deficient number, since it is larger than the sum of its proper divisors (78550962324652).

84739999993748 is a wasteful number, since it uses less digits than its factorization.

84739999993748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294440 (or 294438 counting only the distinct ones).

The product of its digits is 239990252544, while the sum is 98.

The spelling of 84739999993748 in words is "eighty-four trillion, seven hundred thirty-nine billion, nine hundred ninety-nine million, nine hundred ninety-three thousand, seven hundred forty-eight".