3941400778706 has 8 divisors (see below), whose sum is σ = 5921154923724. Its totient is φ = 1967682470800.

The previous prime is 3941400778657. The next prime is 3941400778723. The reversal of 3941400778706 is 6078770041493.

It can be written as a sum of positive squares in 2 ways, for example, as 3711537106225 + 229863672481 = 1926535^2 + 479441^2 .

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, 1508957645 + ... + 1508960256.

Almost surely, 2^{3941400778706} is an apocalyptic number.

3941400778706 is a deficient number, since it is larger than the sum of its proper divisors (1979754145018).

3941400778706 is a wasteful number, since it uses less digits than its factorization.

3941400778706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017918556.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 3941400778706 in words is "three trillion, nine hundred forty-one billion, four hundred million, seven hundred seventy-eight thousand, seven hundred six".