78847711903 has 8 divisors (see below), whose sum is σ = 78919999488. Its totient is φ = 78775455864.

The previous prime is 78847711897. The next prime is 78847711913. The reversal of 78847711903 is 30911774887.

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 78847711903 - 2³³ = 70257777311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78847711913) 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, 10075050 + ... + 10082872.

It is an arithmetic number, because the mean of its divisors is an integer number (9864999936).

Almost surely, 2^78847711903 is an apocalyptic number.

78847711903 is a deficient number, since it is larger than the sum of its proper divisors (72287585).

78847711903 is a wasteful number, since it uses less digits than its factorization.

78847711903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 78847711903 in words is "seventy-eight billion, eight hundred forty-seven million, seven hundred eleven thousand, nine hundred three".