3950785279 has 12 divisors (see below), whose sum is σ = 4795630704. Its totient is φ = 3239152224.

The previous prime is 3950785277. The next prime is 3950785357. The reversal of 3950785279 is 9725870593.

It is not a de Polignac number, because 3950785279 - 2¹ = 3950785277 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 (3950785277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1751662 + ... + 1753915.

It is an arithmetic number, because the mean of its divisors is an integer number (399635892).

Almost surely, 2^3950785279 is an apocalyptic number.

3950785279 is a deficient number, since it is larger than the sum of its proper divisors (844845425).

3950785279 is a wasteful number, since it uses less digits than its factorization.

3950785279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505614 (or 3505607 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 55.

The square root of 3950785279 is about 62855.2724836986. The cubic root of 3950785279 is about 1580.8638761121.

The spelling of 3950785279 in words is "three billion, nine hundred fifty million, seven hundred eighty-five thousand, two hundred seventy-nine".