3974834787 has 128 divisors (see below), whose sum is σ = 7314997248. Its totient is φ = 1856563200.

The previous prime is 3974834761. The next prime is 3974834867. The reversal of 3974834787 is 7874384793.

It is not a de Polignac number, because 3974834787 - 2⁸ = 3974834531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3974834787.

It is not an unprimeable number, because it can be changed into a prime (3974834887) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12538753 + ... + 12539069.

It is an arithmetic number, because the mean of its divisors is an integer number (57148416).

Almost surely, 2^3974834787 is an apocalyptic number.

3974834787 is a deficient number, since it is larger than the sum of its proper divisors (3340162461).

3974834787 is a wasteful number, since it uses less digits than its factorization.

3974834787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its digits is 28449792, while the sum is 60.

The square root of 3974834787 is about 63046.2908266616. The cubic root of 3974834787 is about 1584.0651058748.

The spelling of 3974834787 in words is "three billion, nine hundred seventy-four million, eight hundred thirty-four thousand, seven hundred eighty-seven".