78330498 has 8 divisors (see below), whose sum is σ = 156661008. Its totient is φ = 26110164.

The previous prime is 78330481. The next prime is 78330523. The reversal of 78330498 is 89403387.

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

78330498 is an admirable number.

It is a super-2 number, since 2×78330498² = 12271333833856008, 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, 6527536 + ... + 6527547.

It is an arithmetic number, because the mean of its divisors is an integer number (19582626).

Almost surely, 2^78330498 is an apocalyptic number.

78330498 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.

78330498 is a wasteful number, since it uses less digits than its factorization.

78330498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055088.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 78330498 is about 8850.4518528717. The cubic root of 78330498 is about 427.8684815865.

The spelling of 78330498 in words is "seventy-eight million, three hundred thirty thousand, four hundred ninety-eight".