78187675207 has 8 divisors (see below), whose sum is σ = 80793505136. Its totient is φ = 75607774272.

The previous prime is 78187675183. The next prime is 78187675217. The reversal of 78187675207 is 70257678187.

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 78187675207 - 2⁷ = 78187675079 is a prime.

It is a super-2 number, since 2×78187675207² (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 (78187675217) 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, 6476118 + ... + 6488179.

It is an arithmetic number, because the mean of its divisors is an integer number (10099188142).

Almost surely, 2^78187675207 is an apocalyptic number.

78187675207 is a deficient number, since it is larger than the sum of its proper divisors (2605829929).

78187675207 is a wasteful number, since it uses less digits than its factorization.

78187675207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964497.

The product of its (nonzero) digits is 9219840, while the sum is 58.

The spelling of 78187675207 in words is "seventy-eight billion, one hundred eighty-seven million, six hundred seventy-five thousand, two hundred seven".