78234826 has 8 divisors (see below), whose sum is σ = 119341440. Its totient is φ = 38454348.

The previous prime is 78234817. The next prime is 78234839. The reversal of 78234826 is 62843287.

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

It is a super-2 number, since 2×78234826² = 12241375998500552, which contains 22 as substring.

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, 331386 + ... + 331621.

It is an arithmetic number, because the mean of its divisors is an integer number (14917680).

Almost surely, 2^78234826 is an apocalyptic number.

78234826 is a deficient number, since it is larger than the sum of its proper divisors (41106614).

78234826 is a wasteful number, since it uses less digits than its factorization.

78234826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663068.

The product of its digits is 129024, while the sum is 40.

The square root of 78234826 is about 8845.0452797032. The cubic root of 78234826 is about 427.6942126806.

The spelling of 78234826 in words is "seventy-eight million, two hundred thirty-four thousand, eight hundred twenty-six".