8057778 has 8 divisors (see below), whose sum is σ = 16115568. Its totient is φ = 2685924.

The previous prime is 8057773. The next prime is 8057809. The reversal of 8057778 is 8777508.

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

8057778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8057773) 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, 671476 + ... + 671487.

It is an arithmetic number, because the mean of its divisors is an integer number (2014446).

Almost surely, 2^8057778 is an apocalyptic number.

8057778 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.

8057778 is a wasteful number, since it uses less digits than its factorization.

8057778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342968.

The product of its (nonzero) digits is 109760, while the sum is 42.

The square root of 8057778 is about 2838.6225532818. The cubic root of 8057778 is about 200.4803288309.

The spelling of 8057778 in words is "eight million, fifty-seven thousand, seven hundred seventy-eight".