861114754 has 4 divisors (see below), whose sum is σ = 1291672134. Its totient is φ = 430557376.

The previous prime is 861114721. The next prime is 861114769. The reversal of 861114754 is 457411168.

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., 858783025 + 2331729 = 29305^2 + 1527^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 215278687 + ... + 215278690.

Almost surely, 2^861114754 is an apocalyptic number.

861114754 is a deficient number, since it is larger than the sum of its proper divisors (430557380).

861114754 is a wasteful number, since it uses less digits than its factorization.

861114754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430557379.

The product of its digits is 26880, while the sum is 37.

The square root of 861114754 is about 29344.7568400217. The cubic root of 861114754 is about 951.3792538150.

The spelling of 861114754 in words is "eight hundred sixty-one million, one hundred fourteen thousand, seven hundred fifty-four".