427138086 has 16 divisors (see below), whose sum is σ = 864569664. Its totient is φ = 140663784.

The previous prime is 427138081. The next prime is 427138087. The reversal of 427138086 is 680831724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427138081) 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, 428356 + ... + 429351.

It is an arithmetic number, because the mean of its divisors is an integer number (54035604).

Almost surely, 2^427138086 is an apocalyptic number.

427138086 is an abundant number, since it is smaller than the sum of its proper divisors (437431578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427138086 is a wasteful number, since it uses less digits than its factorization.

427138086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857795.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 427138086 is about 20667.3192746423. The cubic root of 427138086 is about 753.1059851630.

The spelling of 427138086 in words is "four hundred twenty-seven million, one hundred thirty-eight thousand, eighty-six".