810061087 has 8 divisors (see below), whose sum is σ = 884154960. Its totient is φ = 736042560.

The previous prime is 810061079. The next prime is 810061097. The reversal of 810061087 is 780160018.

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

It is not a de Polignac number, because 810061087 - 2³ = 810061079 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 (810061097) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4963 + ... + 40555.

It is an arithmetic number, because the mean of its divisors is an integer number (110519370).

Almost surely, 2^810061087 is an apocalyptic number.

810061087 is a deficient number, since it is larger than the sum of its proper divisors (74093873).

810061087 is a wasteful number, since it uses less digits than its factorization.

810061087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37673.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 810061087 is about 28461.5721104791. The cubic root of 810061087 is about 932.1931847171.

The spelling of 810061087 in words is "eight hundred ten million, sixty-one thousand, eighty-seven".