78326466 has 8 divisors (see below), whose sum is σ = 156652944. Its totient is φ = 26108820.

The previous prime is 78326449. The next prime is 78326471. The reversal of 78326466 is 66462387.

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

78326466 is an admirable number.

It is a super-2 number, since 2×78326466² = 12270070552098312, which contains 22 as substring.

It is a Curzon 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, 6527200 + ... + 6527211.

It is an arithmetic number, because the mean of its divisors is an integer number (19581618).

Almost surely, 2^78326466 is an apocalyptic number.

78326466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78326466 is a wasteful number, since it uses less digits than its factorization.

78326466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054416.

The product of its digits is 290304, while the sum is 42.

The square root of 78326466 is about 8850.2240649602. The cubic root of 78326466 is about 427.8611400641.

The spelling of 78326466 in words is "seventy-eight million, three hundred twenty-six thousand, four hundred sixty-six".