78078874 has 8 divisors (see below), whose sum is σ = 117158688. Its totient is φ = 39025980.

The previous prime is 78078857. The next prime is 78078881. The reversal of 78078874 is 47887087.

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, 3849 + ... + 13075.

It is an arithmetic number, because the mean of its divisors is an integer number (14644836).

Almost surely, 2^78078874 is an apocalyptic number.

78078874 is a deficient number, since it is larger than the sum of its proper divisors (39079814).

78078874 is a wasteful number, since it uses less digits than its factorization.

78078874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460.

The product of its (nonzero) digits is 702464, while the sum is 49.

The square root of 78078874 is about 8836.2250989888. The cubic root of 78078874 is about 427.4098374655.

The spelling of 78078874 in words is "seventy-eight million, seventy-eight thousand, eight hundred seventy-four".