83775885974 has 24 divisors (see below), whose sum is σ = 141338615880. Its totient is φ = 37194363360.

The previous prime is 83775885971. The next prime is 83775885997. The reversal of 83775885974 is 47958857738.

It is a junction number, because it is equal to n+sod(n) for n = 83775885898 and 83775885907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83775885971) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4014959 + ... + 4035770.

It is an arithmetic number, because the mean of its divisors is an integer number (5889108995).

Almost surely, 2^83775885974 is an apocalyptic number.

83775885974 is a deficient number, since it is larger than the sum of its proper divisors (57562729906).

83775885974 is a wasteful number, since it uses less digits than its factorization.

83775885974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050796 (or 8050785 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 71.

The spelling of 83775885974 in words is "eighty-three billion, seven hundred seventy-five million, eight hundred eighty-five thousand, nine hundred seventy-four".