78798023 has 8 divisors (see below), whose sum is σ = 84230496. Its totient is φ = 73532800.

The previous prime is 78797969. The next prime is 78798029. The reversal of 78798023 is 32089787.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78798023 - 2¹² = 78793927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78798029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40838 + ... + 42723.

It is an arithmetic number, because the mean of its divisors is an integer number (10528812).

Almost surely, 2^78798023 is an apocalyptic number.

78798023 is a deficient number, since it is larger than the sum of its proper divisors (5432473).

78798023 is a wasteful number, since it uses less digits than its factorization.

78798023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83625.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 78798023 is about 8876.8250517851. The cubic root of 78798023 is about 428.7180550620.

The spelling of 78798023 in words is "seventy-eight million, seven hundred ninety-eight thousand, twenty-three".