78480892813 has 8 divisors (see below), whose sum is σ = 81896597568. Its totient is φ = 75065479104.

The previous prime is 78480892781. The next prime is 78480892823. The reversal of 78480892813 is 31829808487.

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 78480892813 - 2⁵ = 78480892781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78480892823) 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, 617845 + ... + 733957.

It is an arithmetic number, because the mean of its divisors is an integer number (10237074696).

Almost surely, 2^78480892813 is an apocalyptic number.

It is an amenable number.

78480892813 is a deficient number, since it is larger than the sum of its proper divisors (3415704755).

78480892813 is a wasteful number, since it uses less digits than its factorization.

78480892813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145523.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 78480892813 in words is "seventy-eight billion, four hundred eighty million, eight hundred ninety-two thousand, eight hundred thirteen".