78106395 has 16 divisors (see below), whose sum is σ = 125498880. Its totient is φ = 41480544.

The previous prime is 78106393. The next prime is 78106409. The reversal of 78106395 is 59360187.

It is not a de Polignac number, because 78106395 - 2¹ = 78106393 is a prime.

It is a super-2 number, since 2×78106395² = 12201217879792050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78106393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7309 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (7843680).

Almost surely, 2^78106395 is an apocalyptic number.

78106395 is a deficient number, since it is larger than the sum of its proper divisors (47392485).

78106395 is a wasteful number, since it uses less digits than its factorization.

78106395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22034.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 78106395 is about 8837.7822444321. The cubic root of 78106395 is about 427.4600489324.

It can be divided in two parts, 7 and 8106395, that multiplied together give a palindrome (56744765).

The spelling of 78106395 in words is "seventy-eight million, one hundred six thousand, three hundred ninety-five".