78330826 has 8 divisors (see below), whose sum is σ = 134281440. Its totient is φ = 33570348.

The previous prime is 78330823. The next prime is 78330829. The reversal of 78330826 is 62803387.

It is an interprime number because it is at equal distance from previous prime (78330823) and next prime (78330829).

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

It is a super-2 number, since 2×78330826² = 12271436603684552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78330823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797516 + ... + 2797543.

It is an arithmetic number, because the mean of its divisors is an integer number (16785180).

Almost surely, 2^78330826 is an apocalyptic number.

78330826 is a deficient number, since it is larger than the sum of its proper divisors (55950614).

78330826 is a wasteful number, since it uses less digits than its factorization.

78330826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595068.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 78330826 is about 8850.4703829797. The cubic root of 78330826 is about 427.8690788024.

The spelling of 78330826 in words is "seventy-eight million, three hundred thirty thousand, eight hundred twenty-six".