78089302953 has 48 divisors (see below), whose sum is σ = 120276688896. Its totient is φ = 48651010560.

The previous prime is 78089302939. The next prime is 78089302961. The reversal of 78089302953 is 35920398087.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-78089302953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78089302953.

It is not an unprimeable number, because it can be changed into a prime (78089300953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21792600 + ... + 21796182.

It is an arithmetic number, because the mean of its divisors is an integer number (2505764352).

Almost surely, 2^78089302953 is an apocalyptic number.

It is an amenable number.

78089302953 is a deficient number, since it is larger than the sum of its proper divisors (42187385943).

78089302953 is a wasteful number, since it uses less digits than its factorization.

78089302953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 78089302953 in words is "seventy-eight billion, eighty-nine million, three hundred two thousand, nine hundred fifty-three".