865101007 has 4 divisors (see below), whose sum is σ = 865240776. Its totient is φ = 864961240.

The previous prime is 865100969. The next prime is 865101019. The reversal of 865101007 is 700101568.

It is a happy number.

865101007 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 cyclic number.

It is not a de Polignac number, because 865101007 - 2¹⁹ = 864576719 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 (865101037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60148 + ... + 73129.

It is an arithmetic number, because the mean of its divisors is an integer number (216310194).

Almost surely, 2^865101007 is an apocalyptic number.

865101007 is a deficient number, since it is larger than the sum of its proper divisors (139769).

865101007 is a wasteful number, since it uses less digits than its factorization.

865101007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139768.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 865101007 is about 29412.5994600953. The cubic root of 865101007 is about 952.8450288211.

The spelling of 865101007 in words is "eight hundred sixty-five million, one hundred one thousand, seven".