84250000838 has 16 divisors (see below), whose sum is σ = 126737160624. Its totient is φ = 42004443360.

The previous prime is 84250000781. The next prime is 84250000883. The reversal of 84250000838 is 83800005248.

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, 1015028 + ... + 1094888.

It is an arithmetic number, because the mean of its divisors is an integer number (7921072539).

Almost surely, 2^84250000838 is an apocalyptic number.

84250000838 is a deficient number, since it is larger than the sum of its proper divisors (42487159786).

84250000838 is a wasteful number, since it uses less digits than its factorization.

84250000838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81367.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 84250000838 in words is "eighty-four billion, two hundred fifty million, eight hundred thirty-eight", and thus it is an aban number.