3914778402486 has 48 divisors (see below), whose sum is σ = 9693926121984. Its totient is φ = 1118486292912.

The previous prime is 3914778402481. The next prime is 3914778402527. The reversal of 3914778402486 is 6842048774193.

3914778402486 is a `hidden beast` number, since 3 + 9 + 1 + 4 + 77 + 84 + 0 + 2 + 486 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914778402481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6847581 + ... + 7397223.

It is an arithmetic number, because the mean of its divisors is an integer number (201956794208).

Almost surely, 2^{3914778402486} is an apocalyptic number.

3914778402486 is an abundant number, since it is smaller than the sum of its proper divisors (5779147719498).

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

3914778402486 is a wasteful number, since it uses less digits than its factorization.

3914778402486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606185 (or 606182 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 3914778402486 in words is "three trillion, nine hundred fourteen billion, seven hundred seventy-eight million, four hundred two thousand, four hundred eighty-six".