83677631 has 2 divisors, whose sum is σ = 83677632. Its totient is φ = 83677630.

The previous prime is 83677589. The next prime is 83677651. The reversal of 83677631 is 13677638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83677631 - 2²⁶ = 16568767 is a prime.

It is a super-2 number, since 2×83677631² = 14003891859544322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83677651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41838815 + 41838816.

It is an arithmetic number, because the mean of its divisors is an integer number (41838816).

Almost surely, 2^83677631 is an apocalyptic number.

83677631 is a deficient number, since it is larger than the sum of its proper divisors (1).

83677631 is an equidigital number, since it uses as much as digits as its factorization.

83677631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 83677631 is about 9147.5478134853. The cubic root of 83677631 is about 437.3909492558.

The spelling of 83677631 in words is "eighty-three million, six hundred seventy-seven thousand, six hundred thirty-one".