78088903 has 8 divisors (see below), whose sum is σ = 81002768. Its totient is φ = 75225024.

The previous prime is 78088897. The next prime is 78088931. The reversal of 78088903 is 30988087.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78088903 - 2⁹ = 78088391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78088903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78088303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9300 + ... + 15577.

It is an arithmetic number, because the mean of its divisors is an integer number (10125346).

Almost surely, 2^78088903 is an apocalyptic number.

78088903 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

78088903 is a deficient number, since it is larger than the sum of its proper divisors (2913865).

78088903 is a wasteful number, since it uses less digits than its factorization.

78088903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24993.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 78088903 is about 8836.7925742319. The cubic root of 78088903 is about 427.4281365244.

The spelling of 78088903 in words is "seventy-eight million, eighty-eight thousand, nine hundred three".