3950716786820 has 24 divisors (see below), whose sum is σ = 8498859040728. Its totient is φ = 1541743136000.

The previous prime is 3950716786799. The next prime is 3950716786837. The reversal of 3950716786820 is 286876170593.

It can be written as a sum of positive squares in 4 ways, for example, as 926228356 + 3949790558464 = 30434^2 + 1987408^2 .

It is a super-3 number, since 3×3950716786820³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408972831 + ... + 2408974470.

It is an arithmetic number, because the mean of its divisors is an integer number (354119126697).

Almost surely, 2^{3950716786820} is an apocalyptic number.

It is an amenable number.

3950716786820 is an abundant number, since it is smaller than the sum of its proper divisors (4548142253908).

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

3950716786820 is a wasteful number, since it uses less digits than its factorization.

3950716786820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817947351 (or 4817947349 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 3950716786820 in words is "three trillion, nine hundred fifty billion, seven hundred sixteen million, seven hundred eighty-six thousand, eight hundred twenty".