83372945963 has 4 divisors (see below), whose sum is σ = 88277236920. Its totient is φ = 78468655008.

The previous prime is 83372945941. The next prime is 83372945989. The reversal of 83372945963 is 36954927338.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83372945963 - 2⁸ = 83372945707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83372945933) 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, 2452145453 + ... + 2452145486.

It is an arithmetic number, because the mean of its divisors is an integer number (22069309230).

Almost surely, 2^83372945963 is an apocalyptic number.

83372945963 is a deficient number, since it is larger than the sum of its proper divisors (4904290957).

83372945963 is a wasteful number, since it uses less digits than its factorization.

83372945963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904290956.

The product of its digits is 29393280, while the sum is 59.

The spelling of 83372945963 in words is "eighty-three billion, three hundred seventy-two million, nine hundred forty-five thousand, nine hundred sixty-three".