861088814 has 4 divisors (see below), whose sum is σ = 1291633224. Its totient is φ = 430544406.

The previous prime is 861088799. The next prime is 861088817. The reversal of 861088814 is 418880168.

It is a happy number.

861088814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861088817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215272202 + ... + 215272205.

It is an arithmetic number, because the mean of its divisors is an integer number (322908306).

Almost surely, 2^861088814 is an apocalyptic number.

861088814 is a deficient number, since it is larger than the sum of its proper divisors (430544410).

861088814 is a wasteful number, since it uses less digits than its factorization.

861088814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430544409.

The product of its (nonzero) digits is 98304, while the sum is 44.

The square root of 861088814 is about 29344.3148497286. The cubic root of 861088814 is about 951.3697006842.

The spelling of 861088814 in words is "eight hundred sixty-one million, eighty-eight thousand, eight hundred fourteen".