78298250345 has 8 divisors (see below), whose sum is σ = 107380457664. Its totient is φ = 53690228784.

The previous prime is 78298250339. The next prime is 78298250357. The reversal of 78298250345 is 54305289287.

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 78298250345 - 2²⁰ = 78297201769 is a prime.

It is a super-2 number, since 2×78298250345² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118546399 + ... + 1118546468.

It is an arithmetic number, because the mean of its divisors is an integer number (13422557208).

Almost surely, 2^78298250345 is an apocalyptic number.

It is an amenable number.

78298250345 is a deficient number, since it is larger than the sum of its proper divisors (29082207319).

78298250345 is a wasteful number, since it uses less digits than its factorization.

78298250345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237092879.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 78298250345 in words is "seventy-eight billion, two hundred ninety-eight million, two hundred fifty thousand, three hundred forty-five".