39770359679 has 4 divisors (see below), whose sum is σ = 41499505776. Its totient is φ = 38041213584.

The previous prime is 39770359667. The next prime is 39770359709. The reversal of 39770359679 is 97695307793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 39770359679 - 2¹⁶ = 39770294143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39770359639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864573014 + ... + 864573059.

It is an arithmetic number, because the mean of its divisors is an integer number (10374876444).

Almost surely, 2^39770359679 is an apocalyptic number.

39770359679 is a deficient number, since it is larger than the sum of its proper divisors (1729146097).

39770359679 is a wasteful number, since it uses less digits than its factorization.

39770359679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729146096.

The product of its (nonzero) digits is 67512690, while the sum is 65.

The spelling of 39770359679 in words is "thirty-nine billion, seven hundred seventy million, three hundred fifty-nine thousand, six hundred seventy-nine".