7876253778 has 8 divisors (see below), whose sum is σ = 15752507568. Its totient is φ = 2625417924.

The previous prime is 7876253767. The next prime is 7876253807. The reversal of 7876253778 is 8773526787.

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

7876253778 is an admirable number.

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, 656354476 + ... + 656354487.

It is an arithmetic number, because the mean of its divisors is an integer number (1969063446).

Almost surely, 2^7876253778 is an apocalyptic number.

7876253778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7876253778 is a wasteful number, since it uses less digits than its factorization.

7876253778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312708968.

The product of its digits is 27659520, while the sum is 60.

The square root of 7876253778 is about 88748.2607040837. The cubic root of 7876253778 is about 1989.6341825652.

The spelling of 7876253778 in words is "seven billion, eight hundred seventy-six million, two hundred fifty-three thousand, seven hundred seventy-eight".