83409978124 has 48 divisors (see below), whose sum is σ = 166349707776. Its totient is φ = 36223932800.

The previous prime is 83409978107. The next prime is 83409978163. The reversal of 83409978124 is 42187990438.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 851184 + ... + 944104.

It is an arithmetic number, because the mean of its divisors is an integer number (3465618912).

Almost surely, 2^83409978124 is an apocalyptic number.

It is an amenable number.

83409978124 is a deficient number, since it is larger than the sum of its proper divisors (82939729652).

83409978124 is a wasteful number, since it uses less digits than its factorization.

83409978124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93846 (or 93844 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 83409978124 in words is "eighty-three billion, four hundred nine million, nine hundred seventy-eight thousand, one hundred twenty-four".