3778847292265 has 8 divisors (see below), whose sum is σ = 4551858641088. Its totient is φ = 3011583240240.

The previous prime is 3778847292223. The next prime is 3778847292329. The reversal of 3778847292265 is 5622927488773.

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

It is not a de Polignac number, because 3778847292265 - 2⁷ = 3778847292137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3778847292194 and 3778847292203.

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, 1436822751 + ... + 1436825380.

It is an arithmetic number, because the mean of its divisors is an integer number (568982330136).

Almost surely, 2^{3778847292265} is an apocalyptic number.

It is an amenable number.

3778847292265 is a deficient number, since it is larger than the sum of its proper divisors (773011348823).

3778847292265 is a wasteful number, since it uses less digits than its factorization.

3778847292265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873648399.

The product of its digits is 568995840, while the sum is 70.

The spelling of 3778847292265 in words is "three trillion, seven hundred seventy-eight billion, eight hundred forty-seven million, two hundred ninety-two thousand, two hundred sixty-five".