3892878016679 has 4 divisors (see below), whose sum is σ = 3893034526584. Its totient is φ = 3892721506776.

The previous prime is 3892878016661. The next prime is 3892878016691. The reversal of 3892878016679 is 9766108782983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3892878016679 - 2²⁰ = 3892876968103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3892878016649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78217637 + ... + 78267390.

It is an arithmetic number, because the mean of its divisors is an integer number (973258631646).

Almost surely, 2^{3892878016679} is an apocalyptic number.

3892878016679 is a deficient number, since it is larger than the sum of its proper divisors (156509905).

3892878016679 is a wasteful number, since it uses less digits than its factorization.

3892878016679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156509904.

The product of its (nonzero) digits is 438939648, while the sum is 74.

The spelling of 3892878016679 in words is "three trillion, eight hundred ninety-two billion, eight hundred seventy-eight million, sixteen thousand, six hundred seventy-nine".