3956378270722 has 8 divisors (see below), whose sum is σ = 5934808614672. Its totient is φ = 1978108732500.

The previous prime is 3956378270711. The next prime is 3956378270737. The reversal of 3956378270722 is 2270728736593.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40139904 + ... + 40238347.

It is an arithmetic number, because the mean of its divisors is an integer number (741851076834).

Almost surely, 2^{3956378270722} is an apocalyptic number.

3956378270722 is a deficient number, since it is larger than the sum of its proper divisors (1978430343950).

3956378270722 is a wasteful number, since it uses less digits than its factorization.

3956378270722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80402864.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 3956378270722 in words is "three trillion, nine hundred fifty-six billion, three hundred seventy-eight million, two hundred seventy thousand, seven hundred twenty-two".