78112127 has 8 divisors (see below), whose sum is σ = 82809216. Its totient is φ = 73426432.

The previous prime is 78112091. The next prime is 78112169. The reversal of 78112127 is 72121187.

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 78112127 - 2¹⁸ = 77849983 is a prime.

It is a super-2 number, since 2×78112127² = 12203008768928258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78112127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78112427) 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, 14258 + ... + 18960.

It is an arithmetic number, because the mean of its divisors is an integer number (10351152).

Almost surely, 2^78112127 is an apocalyptic number.

78112127 is a deficient number, since it is larger than the sum of its proper divisors (4697089).

78112127 is a wasteful number, since it uses less digits than its factorization.

78112127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697.

The product of its digits is 1568, while the sum is 29.

The square root of 78112127 is about 8838.1065279844. The cubic root of 78112127 is about 427.4705053577.

The spelling of 78112127 in words is "seventy-eight million, one hundred twelve thousand, one hundred twenty-seven".