83677788668 has 12 divisors (see below), whose sum is σ = 146438521152. Its totient is φ = 41838211200.

The previous prime is 83677788661. The next prime is 83677788703. The reversal of 83677788668 is 86688777638.

It is a junction number, because it is equal to n+sod(n) for n = 83677788595 and 83677788604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83677788661) 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, 189068 + ... + 450668.

It is an arithmetic number, because the mean of its divisors is an integer number (12203210096).

Almost surely, 2^83677788668 is an apocalyptic number.

It is an amenable number.

83677788668 is a deficient number, since it is larger than the sum of its proper divisors (62760732484).

83677788668 is a wasteful number, since it uses less digits than its factorization.

83677788668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341572 (or 341570 counting only the distinct ones).

The product of its digits is 910393344, while the sum is 74.

The spelling of 83677788668 in words is "eighty-three billion, six hundred seventy-seven million, seven hundred eighty-eight thousand, six hundred sixty-eight".