83109312436 has 12 divisors (see below), whose sum is σ = 147433643812. Its totient is φ = 40985414208.

The previous prime is 83109312409. The next prime is 83109312437. The reversal of 83109312436 is 63421390138.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38627971600 + 44481340836 = 196540^2 + 210906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83109312437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142310175 + ... + 142310758.

Almost surely, 2^83109312436 is an apocalyptic number.

It is an amenable number.

83109312436 is a deficient number, since it is larger than the sum of its proper divisors (64324331376).

83109312436 is a wasteful number, since it uses less digits than its factorization.

83109312436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284621010 (or 284621008 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 83109312436 in words is "eighty-three billion, one hundred nine million, three hundred twelve thousand, four hundred thirty-six".