83947757362 has 48 divisors (see below), whose sum is σ = 152944293312. Its totient is φ = 34391908320.

The previous prime is 83947757353. The next prime is 83947757371. The reversal of 83947757362 is 26375774938.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83947757353) and next prime (83947757371).

It is a super-2 number, since 2×83947757362² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83947757362.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3895437 + ... + 3916927.

It is an arithmetic number, because the mean of its divisors is an integer number (3186339444).

Almost surely, 2^83947757362 is an apocalyptic number.

83947757362 is a deficient number, since it is larger than the sum of its proper divisors (68996535950).

83947757362 is a wasteful number, since it uses less digits than its factorization.

83947757362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23263 (or 23256 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 61.

The spelling of 83947757362 in words is "eighty-three billion, nine hundred forty-seven million, seven hundred fifty-seven thousand, three hundred sixty-two".