8860879778 has 4 divisors (see below), whose sum is σ = 13291319670. Its totient is φ = 4430439888.

The previous prime is 8860879711. The next prime is 8860879787. The reversal of 8860879778 is 8779780688.

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

It can be written as a sum of positive squares in only one way, i.e., 7437855049 + 1423024729 = 86243^2 + 37723^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215219943 + ... + 2215219946.

Almost surely, 2^8860879778 is an apocalyptic number.

8860879778 is a deficient number, since it is larger than the sum of its proper divisors (4430439892).

8860879778 is a wasteful number, since it uses less digits than its factorization.

8860879778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430439891.

The product of its (nonzero) digits is 75866112, while the sum is 68.

The square root of 8860879778 is about 94132.2462177547. The cubic root of 8860879778 is about 2069.3102774958.

The spelling of 8860879778 in words is "eight billion, eight hundred sixty million, eight hundred seventy-nine thousand, seven hundred seventy-eight".