86180026 has 4 divisors (see below), whose sum is σ = 129270042. Its totient is φ = 43090012.

The previous prime is 86179949. The next prime is 86180027. The reversal of 86180026 is 62008168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 35414401 = 7125^2 + 5951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86180026.

It is not an unprimeable number, because it can be changed into a prime (86180027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545005 + ... + 21545008.

Almost surely, 2^86180026 is an apocalyptic number.

86180026 is a deficient number, since it is larger than the sum of its proper divisors (43090016).

86180026 is a wasteful number, since it uses less digits than its factorization.

86180026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43090015.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 86180026 is about 9283.3197725814. The cubic root of 86180026 is about 441.7082798970.

The spelling of 86180026 in words is "eighty-six million, one hundred eighty thousand, twenty-six".