78308496 has 60 divisors (see below), whose sum is σ = 250466112. Its totient is φ = 22373568.

The previous prime is 78308473. The next prime is 78308501. The reversal of 78308496 is 69480387.

It is a happy number.

It is a super-2 number, since 2×78308496² = 12264441091564032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37836 + ... + 39851.

Almost surely, 2^78308496 is an apocalyptic number.

It is an amenable number.

78308496 is an abundant number, since it is smaller than the sum of its proper divisors (172157616).

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

78308496 is a wasteful number, since it uses less digits than its factorization.

78308496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77708 (or 77699 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 78308496 is about 8849.2087781903. The cubic root of 78308496 is about 427.8284169708.

The spelling of 78308496 in words is "seventy-eight million, three hundred eight thousand, four hundred ninety-six".