78245206641263 has 8 divisors (see below), whose sum is σ = 78392500398960. Its totient is φ = 78097953323520.

The previous prime is 78245206641233. The next prime is 78245206641293. The reversal of 78245206641263 is 36214660254287.

It is an interprime number because it is at equal distance from previous prime (78245206641233) and next prime (78245206641293).

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 78245206641263 - 2²² = 78245202446959 is a prime.

It is a super-2 number, since 2×78245206641263² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78245206641199 and 78245206641208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78245206641233) 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, 6235253 + ... + 13977438.

It is an arithmetic number, because the mean of its divisors is an integer number (9799062549870).

Almost surely, 2^{78245206641263} is an apocalyptic number.

78245206641263 is a deficient number, since it is larger than the sum of its proper divisors (147293757697).

78245206641263 is a wasteful number, since it uses less digits than its factorization.

78245206641263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219977.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 78245206641263 in words is "seventy-eight trillion, two hundred forty-five billion, two hundred six million, six hundred forty-one thousand, two hundred sixty-three".