3959644782 has 32 divisors (see below), whose sum is σ = 8188314624. Its totient is φ = 1275646400.

The previous prime is 3959644771. The next prime is 3959644789. The reversal of 3959644782 is 2874469593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959644789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48894 + ... + 101537.

It is an arithmetic number, because the mean of its divisors is an integer number (255884832).

Almost surely, 2^3959644782 is an apocalyptic number.

3959644782 is an abundant number, since it is smaller than the sum of its proper divisors (4228669842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3959644782 is a wasteful number, since it uses less digits than its factorization.

3959644782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150584.

The product of its digits is 13063680, while the sum is 57.

The square root of 3959644782 is about 62925.7084346295. The cubic root of 3959644782 is about 1582.0446719293.

The spelling of 3959644782 in words is "three billion, nine hundred fifty-nine million, six hundred forty-four thousand, seven hundred eighty-two".