78336027 has 24 divisors (see below), whose sum is σ = 141073920. Its totient is φ = 40693680.

The previous prime is 78336023. The next prime is 78336043. The reversal of 78336027 is 72063387.

It is not a de Polignac number, because 78336027 - 2² = 78336023 is a prime.

It is a super-2 number, since 2×78336027² = 12273066252289458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78335982 and 78336000.

It is not an unprimeable number, because it can be changed into a prime (78336023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55827 + ... + 57212.

It is an arithmetic number, because the mean of its divisors is an integer number (5878080).

Almost surely, 2^78336027 is an apocalyptic number.

78336027 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

78336027 is a deficient number, since it is larger than the sum of its proper divisors (62737893).

78336027 is a wasteful number, since it uses less digits than its factorization.

78336027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113063 (or 113060 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 78336027 is about 8850.7642042933. The cubic root of 78336027 is about 427.8785484580.

It can be divided in two parts, 783360 and 27, that added together give a palindrome (783387).

The spelling of 78336027 in words is "seventy-eight million, three hundred thirty-six thousand, twenty-seven".