78088700851 has 8 divisors (see below), whose sum is σ = 89246347520. Its totient is φ = 66931583688.

The previous prime is 78088700849. The next prime is 78088700869. The reversal of 78088700851 is 15800788087.

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 78088700851 - 2¹ = 78088700849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78088700801) 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, 261970 + ... + 474136.

It is an arithmetic number, because the mean of its divisors is an integer number (11155793440).

Almost surely, 2^78088700851 is an apocalyptic number.

78088700851 is a deficient number, since it is larger than the sum of its proper divisors (11157646669).

78088700851 is a wasteful number, since it uses less digits than its factorization.

78088700851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264753.

The product of its (nonzero) digits is 1003520, while the sum is 52.

The spelling of 78088700851 in words is "seventy-eight billion, eighty-eight million, seven hundred thousand, eight hundred fifty-one".