32139884677 has 2 divisors, whose sum is σ = 32139884678. Its totient is φ = 32139884676.

The previous prime is 32139884639. The next prime is 32139884683. The reversal of 32139884677 is 77648893123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17516787201 + 14623097476 = 132351^2 + 120926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32139884677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32139884617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16069942338 + 16069942339.

It is an arithmetic number, because the mean of its divisors is an integer number (16069942339).

Almost surely, 2^32139884677 is an apocalyptic number.

It is an amenable number.

32139884677 is a deficient number, since it is larger than the sum of its proper divisors (1).

32139884677 is an equidigital number, since it uses as much as digits as its factorization.

32139884677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 58.

The spelling of 32139884677 in words is "thirty-two billion, one hundred thirty-nine million, eight hundred eighty-four thousand, six hundred seventy-seven".