78146026 has 16 divisors (see below), whose sum is σ = 134709120. Its totient is φ = 33305040.

The previous prime is 78146017. The next prime is 78146027. The reversal of 78146026 is 62064187.

It is a super-2 number, since 2×78146026² = 12213602759185352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78145982 and 78146000.

It is not an unprimeable number, because it can be changed into a prime (78146027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12886 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (8419320).

Almost surely, 2^78146026 is an apocalyptic number.

78146026 is a deficient number, since it is larger than the sum of its proper divisors (56563094).

78146026 is a wasteful number, since it uses less digits than its factorization.

78146026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31029.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 78146026 is about 8840.0240949898. The cubic root of 78146026 is about 427.5323341137.

The spelling of 78146026 in words is "seventy-eight million, one hundred forty-six thousand, twenty-six".