78117201263 has 8 divisors (see below), whose sum is σ = 78332352000. Its totient is φ = 77902109568.

The previous prime is 78117201251. The next prime is 78117201301. The reversal of 78117201263 is 36210271187.

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 78117201263 - 2⁴ = 78117201247 is a prime.

It is a super-2 number, since 2×78117201263² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78117200263) 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, 4468163 + ... + 4485611.

It is an arithmetic number, because the mean of its divisors is an integer number (9791544000).

Almost surely, 2^78117201263 is an apocalyptic number.

78117201263 is a deficient number, since it is larger than the sum of its proper divisors (215150737).

78117201263 is a wasteful number, since it uses less digits than its factorization.

78117201263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29521.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 78117201263 in words is "seventy-eight billion, one hundred seventeen million, two hundred one thousand, two hundred sixty-three".