10779778 has 8 divisors (see below), whose sum is σ = 16872768. Its totient is φ = 5155524.

The previous prime is 10779767. The next prime is 10779781. The reversal of 10779778 is 87797701.

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

It is a super-2 number, since 2×10779778² = 232407227458568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 234343 = 10779778 / (1 + 0 + 7 + 7 + 9 + 7 + 7 + 8).

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, 117126 + ... + 117217.

It is an arithmetic number, because the mean of its divisors is an integer number (2109096).

Almost surely, 2^10779778 is an apocalyptic number.

10779778 is a deficient number, since it is larger than the sum of its proper divisors (6092990).

10779778 is a wasteful number, since it uses less digits than its factorization.

10779778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234368.

The product of its (nonzero) digits is 172872, while the sum is 46.

The square root of 10779778 is about 3283.2572241602. The cubic root of 10779778 is about 220.9038435655.

The spelling of 10779778 in words is "ten million, seven hundred seventy-nine thousand, seven hundred seventy-eight".