78625322746 has 8 divisors (see below), whose sum is σ = 118003913460. Its totient is φ = 39290684928.

The previous prime is 78625322717. The next prime is 78625322747. The reversal of 78625322746 is 64722352687.

It can be written as a sum of positive squares in 2 ways, for example, as 75328840521 + 3296482225 = 274461^2 + 57415^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 78625322693 and 78625322702.

It is not an unprimeable number, because it can be changed into a prime (78625322747) 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, 10983751 + ... + 10990906.

Almost surely, 2^78625322746 is an apocalyptic number.

78625322746 is a deficient number, since it is larger than the sum of its proper divisors (39378590714).

78625322746 is a wasteful number, since it uses less digits than its factorization.

78625322746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21976448.

The product of its digits is 6773760, while the sum is 52.

The spelling of 78625322746 in words is "seventy-eight billion, six hundred twenty-five million, three hundred twenty-two thousand, seven hundred forty-six".