39425716887 has 8 divisors (see below), whose sum is σ = 53158270320. Its totient is φ = 25988487360.

The previous prime is 39425716867. The next prime is 39425716907. The reversal of 39425716887 is 78861752493.

It is an interprime number because it is at equal distance from previous prime (39425716867) and next prime (39425716907).

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

It is a de Polignac number, because none of the positive numbers 2^k-39425716887 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39425716887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39425716817) 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, 73830664 + ... + 73831197.

It is an arithmetic number, because the mean of its divisors is an integer number (6644783790).

Almost surely, 2^39425716887 is an apocalyptic number.

39425716887 is a deficient number, since it is larger than the sum of its proper divisors (13732553433).

39425716887 is a wasteful number, since it uses less digits than its factorization.

39425716887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147661953.

The product of its digits is 20321280, while the sum is 60.

The spelling of 39425716887 in words is "thirty-nine billion, four hundred twenty-five million, seven hundred sixteen thousand, eight hundred eighty-seven".