78298049593 has 8 divisors (see below), whose sum is σ = 78448032000. Its totient is φ = 78148132608.

The previous prime is 78298049587. The next prime is 78298049629. The reversal of 78298049593 is 39594089287.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78298049593 is a prime.

It is a super-2 number, since 2×78298049593² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78298049573) 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, 2851353 + ... + 2878681.

It is an arithmetic number, because the mean of its divisors is an integer number (9806004000).

Almost surely, 2^78298049593 is an apocalyptic number.

It is an amenable number.

78298049593 is a deficient number, since it is larger than the sum of its proper divisors (149982407).

78298049593 is a wasteful number, since it uses less digits than its factorization.

78298049593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32711.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 78298049593 in words is "seventy-eight billion, two hundred ninety-eight million, forty-nine thousand, five hundred ninety-three".