78969238 has 8 divisors (see below), whose sum is σ = 118764288. Its totient is φ = 39381144.

The previous prime is 78969227. The next prime is 78969287. The reversal of 78969238 is 83296987.

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

It is a super-2 number, since 2×78969238² = 12472281100601288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 50781 + ... + 52312.

It is an arithmetic number, because the mean of its divisors is an integer number (14845536).

Almost surely, 2^78969238 is an apocalyptic number.

78969238 is a deficient number, since it is larger than the sum of its proper divisors (39795050).

78969238 is a wasteful number, since it uses less digits than its factorization.

78969238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103478.

The product of its digits is 1306368, while the sum is 52.

The square root of 78969238 is about 8886.4637511217. The cubic root of 78969238 is about 429.0283414497.

The spelling of 78969238 in words is "seventy-eight million, nine hundred sixty-nine thousand, two hundred thirty-eight".