861364111 has 8 divisors (see below), whose sum is σ = 864597744. Its totient is φ = 858137280.

The previous prime is 861364079. The next prime is 861364139. The reversal of 861364111 is 111463168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 861364111 - 2⁵ = 861364079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861364711) 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, 429036 + ... + 431038.

It is an arithmetic number, because the mean of its divisors is an integer number (108074718).

Almost surely, 2^861364111 is an apocalyptic number.

861364111 is a deficient number, since it is larger than the sum of its proper divisors (3233633).

861364111 is a wasteful number, since it uses less digits than its factorization.

861364111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401.

The product of its digits is 3456, while the sum is 31.

The square root of 861364111 is about 29349.0052812698. The cubic root of 861364111 is about 951.4710767226.

The spelling of 861364111 in words is "eight hundred sixty-one million, three hundred sixty-four thousand, one hundred eleven".