38860979202661 has 32 divisors (see below), whose sum is σ = 50123673895680. Its totient is φ = 29235390912000.

The previous prime is 38860979202607. The next prime is 38860979202697. The reversal of 38860979202661 is 16620297906883.

It is not a de Polignac number, because 38860979202661 - 2²⁹ = 38860442331749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38860979202601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38356375 + ... + 39356491.

It is an arithmetic number, because the mean of its divisors is an integer number (1566364809240).

Almost surely, 2^{38860979202661} is an apocalyptic number.

It is an amenable number.

38860979202661 is a deficient number, since it is larger than the sum of its proper divisors (11262694693019).

38860979202661 is a wasteful number, since it uses less digits than its factorization.

38860979202661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017565.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 38860979202661 in words is "thirty-eight trillion, eight hundred sixty billion, nine hundred seventy-nine million, two hundred two thousand, six hundred sixty-one".