78691237322 has 8 divisors (see below), whose sum is σ = 118818557472. Its totient is φ = 39085051500.

The previous prime is 78691237319. The next prime is 78691237327. The reversal of 78691237322 is 22373219687.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (78691237327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130283204 + ... + 130283807.

It is an arithmetic number, because the mean of its divisors is an integer number (14852319684).

Almost surely, 2^78691237322 is an apocalyptic number.

78691237322 is a deficient number, since it is larger than the sum of its proper divisors (40127320150).

78691237322 is a wasteful number, since it uses less digits than its factorization.

78691237322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260567164.

The product of its digits is 1524096, while the sum is 50.

The spelling of 78691237322 in words is "seventy-eight billion, six hundred ninety-one million, two hundred thirty-seven thousand, three hundred twenty-two".