78962678 has 8 divisors (see below), whose sum is σ = 118520472. Its totient is φ = 39455856.

The previous prime is 78962677. The next prime is 78962687. The reversal of 78962678 is 87626987.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78962677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (14815059).

Almost surely, 2^78962678 is an apocalyptic number.

78962678 is a deficient number, since it is larger than the sum of its proper divisors (39557794).

78962678 is a wasteful number, since it uses less digits than its factorization.

78962678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25486.

The product of its digits is 2032128, while the sum is 53.

The square root of 78962678 is about 8886.0946427551. The cubic root of 78962678 is about 429.0164612799.

The spelling of 78962678 in words is "seventy-eight million, nine hundred sixty-two thousand, six hundred seventy-eight".