39677742667 has 8 divisors (see below), whose sum is σ = 41741636400. Its totient is φ = 37660228704.

The previous prime is 39677742659. The next prime is 39677742683. The reversal of 39677742667 is 76624777693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39677742667 - 2³ = 39677742659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39677742599 and 39677742608.

It is not an unprimeable number, because it can be changed into a prime (39677742607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11593188 + ... + 11596609.

It is an arithmetic number, because the mean of its divisors is an integer number (5217704550).

Almost surely, 2^39677742667 is an apocalyptic number.

39677742667 is a deficient number, since it is larger than the sum of its proper divisors (2063893733).

39677742667 is a wasteful number, since it uses less digits than its factorization.

39677742667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23189885.

The product of its digits is 112021056, while the sum is 64.

The spelling of 39677742667 in words is "thirty-nine billion, six hundred seventy-seven million, seven hundred forty-two thousand, six hundred sixty-seven".