78896927065 has 8 divisors (see below), whose sum is σ = 103283250048. Its totient is φ = 57379583280.

The previous prime is 78896927027. The next prime is 78896927111. The reversal of 78896927065 is 56072969887.

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

It is not a de Polignac number, because 78896927065 - 2¹³ = 78896918873 is a prime.

It is a super-3 number, since 3×78896927065³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717244737 + ... + 717244846.

It is an arithmetic number, because the mean of its divisors is an integer number (12910406256).

Almost surely, 2^78896927065 is an apocalyptic number.

It is an amenable number.

78896927065 is a deficient number, since it is larger than the sum of its proper divisors (24386322983).

78896927065 is a wasteful number, since it uses less digits than its factorization.

78896927065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434489599.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 78896927065 in words is "seventy-eight billion, eight hundred ninety-six million, nine hundred twenty-seven thousand, sixty-five".