7970978 has 8 divisors (see below), whose sum is σ = 11999568. Its totient is φ = 3971124.

The previous prime is 7970951. The next prime is 7970983. The reversal of 7970978 is 8790797.

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

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, 6476 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (1499946).

Almost surely, 2^7970978 is an apocalyptic number.

7970978 is a deficient number, since it is larger than the sum of its proper divisors (4028590).

7970978 is a wasteful number, since it uses less digits than its factorization.

7970978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 7970978 is about 2823.2920500720. The cubic root of 7970978 is about 199.7578569520.

The spelling of 7970978 in words is "seven million, nine hundred seventy thousand, nine hundred seventy-eight".