83974923426 has 16 divisors (see below), whose sum is σ = 177829249824. Its totient is φ = 26345073984.

The previous prime is 83974923419. The next prime is 83974923437. The reversal of 83974923426 is 62432947938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411641680 + ... + 411641883.

It is an arithmetic number, because the mean of its divisors is an integer number (11114328114).

Almost surely, 2^83974923426 is an apocalyptic number.

83974923426 is an abundant number, since it is smaller than the sum of its proper divisors (93854326398).

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

83974923426 is a wasteful number, since it uses less digits than its factorization.

83974923426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823283585.

The product of its digits is 15676416, while the sum is 57.

The spelling of 83974923426 in words is "eighty-three billion, nine hundred seventy-four million, nine hundred twenty-three thousand, four hundred twenty-six".