78007914 has 32 divisors (see below), whose sum is σ = 178040640. Its totient is φ = 25299216.

The previous prime is 78007889. The next prime is 78007933. The reversal of 78007914 is 41970087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17524 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (5563770).

Almost surely, 2^78007914 is an apocalyptic number.

78007914 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

78007914 is an abundant number, since it is smaller than the sum of its proper divisors (100032726).

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

78007914 is a wasteful number, since it uses less digits than its factorization.

78007914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39091 (or 39085 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 78007914 is about 8832.2088969861. The cubic root of 78007914 is about 427.2803180319.

The spelling of 78007914 in words is "seventy-eight million, seven thousand, nine hundred fourteen".