5707978 has 4 divisors (see below), whose sum is σ = 8561970. Its totient is φ = 2853988.

The previous prime is 5707967. The next prime is 5707997. The reversal of 5707978 is 8797075.

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., 4721929 + 986049 = 2173^2 + 993^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426993 + ... + 1426996.

Almost surely, 2^5707978 is an apocalyptic number.

5707978 is a deficient number, since it is larger than the sum of its proper divisors (2853992).

5707978 is a wasteful number, since it uses less digits than its factorization.

5707978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853991.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 5707978 is about 2389.1375012753. The cubic root of 5707978 is about 178.7149004387.

The spelling of 5707978 in words is "five million, seven hundred seven thousand, nine hundred seventy-eight".