38864677 has 2 divisors, whose sum is σ = 38864678. Its totient is φ = 38864676.

The previous prime is 38864621. The next prime is 38864701. The reversal of 38864677 is 77646883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 12383361 = 5146^2 + 3519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38864677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38864677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38864377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19432338 + 19432339.

It is an arithmetic number, because the mean of its divisors is an integer number (19432339).

Almost surely, 2^38864677 is an apocalyptic number.

It is an amenable number.

38864677 is a deficient number, since it is larger than the sum of its proper divisors (1).

38864677 is an equidigital number, since it uses as much as digits as its factorization.

38864677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 49.

The square root of 38864677 is about 6234.1540725266. The cubic root of 38864677 is about 338.7284599349.

The spelling of 38864677 in words is "thirty-eight million, eight hundred sixty-four thousand, six hundred seventy-seven".