78963801 has 16 divisors (see below), whose sum is σ = 120484224. Its totient is φ = 45062784.

The previous prime is 78963769. The next prime is 78963803. The reversal of 78963801 is 10836987.

It is not a de Polignac number, because 78963801 - 2⁵ = 78963769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78963803) by changing a digit.

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, 17671 + ... + 21683.

It is an arithmetic number, because the mean of its divisors is an integer number (7530264).

Almost surely, 2^78963801 is an apocalyptic number.

It is an amenable number.

78963801 is a deficient number, since it is larger than the sum of its proper divisors (41520423).

78963801 is a wasteful number, since it uses less digits than its factorization.

78963801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 78963801 is about 8886.1578311439. The cubic root of 78963801 is about 429.0184950813.

The spelling of 78963801 in words is "seventy-eight million, nine hundred sixty-three thousand, eight hundred one".