3867608430778 has 16 divisors (see below), whose sum is σ = 6206860815840. Its totient is φ = 1801991847600.

The previous prime is 3867608430737. The next prime is 3867608430817. The reversal of 3867608430778 is 8770348067683.

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, 834253168 + ... + 834257803.

It is an arithmetic number, because the mean of its divisors is an integer number (387928800990).

Almost surely, 2^{3867608430778} is an apocalyptic number.

3867608430778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3867608430778 is a deficient number, since it is larger than the sum of its proper divisors (2339252385062).

3867608430778 is a wasteful number, since it uses less digits than its factorization.

3867608430778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668511053.

The product of its (nonzero) digits is 227598336, while the sum is 67.

The spelling of 3867608430778 in words is "three trillion, eight hundred sixty-seven billion, six hundred eight million, four hundred thirty thousand, seven hundred seventy-eight".