78346882 has 8 divisors (see below), whose sum is σ = 118309500. Its totient is φ = 38910384.

The previous prime is 78346843. The next prime is 78346883. The reversal of 78346882 is 28864387.

It can be written as a sum of positive squares in 2 ways, for example, as 77951241 + 395641 = 8829^2 + 629^2 .

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

It is a super-2 number, since 2×78346882² = 12276467838243848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78346883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131157 + ... + 131752.

Almost surely, 2^78346882 is an apocalyptic number.

78346882 is a deficient number, since it is larger than the sum of its proper divisors (39962618).

78346882 is a wasteful number, since it uses less digits than its factorization.

78346882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263060.

The product of its digits is 516096, while the sum is 46.

The square root of 78346882 is about 8851.3774069350. The cubic root of 78346882 is about 427.8983112130.

The spelling of 78346882 in words is "seventy-eight million, three hundred forty-six thousand, eight hundred eighty-two".