83674937956 has 24 divisors (see below), whose sum is σ = 146739894840. Its totient is φ = 41749347072.

The previous prime is 83674937953. The next prime is 83674937959. The reversal of 83674937956 is 65973947638.

It is an interprime number because it is at equal distance from previous prime (83674937953) and next prime (83674937959).

It can be written as a sum of positive squares in 4 ways, for example, as 35017636900 + 48657301056 = 187130^2 + 220584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83674937891 and 83674937900.

It is not an unprimeable number, because it can be changed into a prime (83674937953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914610 + ... + 3935926.

It is an arithmetic number, because the mean of its divisors is an integer number (6114162285).

Almost surely, 2^83674937956 is an apocalyptic number.

It is an amenable number.

83674937956 is a deficient number, since it is larger than the sum of its proper divisors (63064956884).

83674937956 is a wasteful number, since it uses less digits than its factorization.

83674937956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343 (or 23341 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 67.

The spelling of 83674937956 in words is "eighty-three billion, six hundred seventy-four million, nine hundred thirty-seven thousand, nine hundred fifty-six".