78975382 has 8 divisors (see below), whose sum is σ = 118731816. Its totient is φ = 39398112.

The previous prime is 78975373. The next prime is 78975397. The reversal of 78975382 is 28357987.

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

It is a super-2 number, since 2×78975382² = 12474221924091848, which contains 22 as substring.

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, 43683 + ... + 45454.

It is an arithmetic number, because the mean of its divisors is an integer number (14841477).

Almost surely, 2^78975382 is an apocalyptic number.

78975382 is a deficient number, since it is larger than the sum of its proper divisors (39756434).

78975382 is a wasteful number, since it uses less digits than its factorization.

78975382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89582.

The product of its digits is 846720, while the sum is 49.

The square root of 78975382 is about 8886.8094387131. The cubic root of 78975382 is about 429.0394676461.

The spelling of 78975382 in words is "seventy-eight million, nine hundred seventy-five thousand, three hundred eighty-two".