83874000405 has 32 divisors (see below), whose sum is σ = 144762024960. Its totient is φ = 41223052800.

The previous prime is 83874000401. The next prime is 83874000473. The reversal of 83874000405 is 50400047838.

It is not a de Polignac number, because 83874000405 - 2² = 83874000401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83874000401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 240645 + ... + 475034.

It is an arithmetic number, because the mean of its divisors is an integer number (4523813280).

Almost surely, 2^83874000405 is an apocalyptic number.

It is an amenable number.

83874000405 is a deficient number, since it is larger than the sum of its proper divisors (60888024555).

83874000405 is a wasteful number, since it uses less digits than its factorization.

83874000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716301.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 83874000405 in words is "eighty-three billion, eight hundred seventy-four million, four hundred five", and thus it is an aban number.