78914882 has 4 divisors (see below), whose sum is σ = 118372326. Its totient is φ = 39457440.

The previous prime is 78914881. The next prime is 78914903. The reversal of 78914882 is 28841987.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48455521 + 30459361 = 6961^2 + 5519^2 .

It is not an unprimeable number, because it can be changed into a prime (78914881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19728719 + ... + 19728722.

Almost surely, 2^78914882 is an apocalyptic number.

78914882 is a deficient number, since it is larger than the sum of its proper divisors (39457444).

78914882 is a wasteful number, since it uses less digits than its factorization.

78914882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39457443.

The product of its digits is 258048, while the sum is 47.

The square root of 78914882 is about 8883.4048652530. The cubic root of 78914882 is about 428.9298827850.

The spelling of 78914882 in words is "seventy-eight million, nine hundred fourteen thousand, eight hundred eighty-two".