39925706479 has 8 divisors (see below), whose sum is σ = 40927830048. Its totient is φ = 38924931840.

The previous prime is 39925706477. The next prime is 39925706503. The reversal of 39925706479 is 97460752993.

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

It is a cyclic number.

It is not a de Polignac number, because 39925706479 - 2¹ = 39925706477 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 (39925706477) 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, 277162 + ... + 395815.

It is an arithmetic number, because the mean of its divisors is an integer number (5115978756).

Almost surely, 2^39925706479 is an apocalyptic number.

39925706479 is a deficient number, since it is larger than the sum of its proper divisors (1002123569).

39925706479 is a wasteful number, since it uses less digits than its factorization.

39925706479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674465.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 39925706479 in words is "thirty-nine billion, nine hundred twenty-five million, seven hundred six thousand, four hundred seventy-nine".