10774978 has 4 divisors (see below), whose sum is σ = 16162470. Its totient is φ = 5387488.

The previous prime is 10774969. The next prime is 10774987. The reversal of 10774978 is 87947701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87947701 = 59 ⋅1490639.

It is an interprime number because it is at equal distance from previous prime (10774969) and next prime (10774987).

It can be written as a sum of positive squares in only one way, i.e., 9941409 + 833569 = 3153^2 + 913^2 .

It is a super-2 number, since 2×10774978² = 232200301800968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693743 + ... + 2693746.

Almost surely, 2^10774978 is an apocalyptic number.

10774978 is a deficient number, since it is larger than the sum of its proper divisors (5387492).

10774978 is an equidigital number, since it uses as much as digits as its factorization.

10774978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387491.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 10774978 is about 3282.5261613580. The cubic root of 10774978 is about 220.8710508101.

The spelling of 10774978 in words is "ten million, seven hundred seventy-four thousand, nine hundred seventy-eight".