78963800 has 24 divisors (see below), whose sum is σ = 183591300. Its totient is φ = 31585440.

The previous prime is 78963769. The next prime is 78963803. The reversal of 78963800 is 836987.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197210 + ... + 197609.

Almost surely, 2^78963800 is an apocalyptic number.

It is an amenable number.

78963800 is an abundant number, since it is smaller than the sum of its proper divisors (104627500).

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

78963800 is a wasteful number, since it uses less digits than its factorization.

78963800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394835 (or 394826 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 78963800 is about 8886.1577748766. The cubic root of 78963800 is about 429.0184932702.

The spelling of 78963800 in words is "seventy-eight million, nine hundred sixty-three thousand, eight hundred".