87664300844 has 6 divisors (see below), whose sum is σ = 153412526484. Its totient is φ = 43832150420.

The previous prime is 87664300837. The next prime is 87664300909. The reversal of 87664300844 is 44800346678.

It is a super-2 number, since 2×87664300844² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87664300792 and 87664300801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10958037602 + ... + 10958037609.

It is an arithmetic number, because the mean of its divisors is an integer number (25568754414).

Almost surely, 2^87664300844 is an apocalyptic number.

It is an amenable number.

87664300844 is a deficient number, since it is larger than the sum of its proper divisors (65748225640).

87664300844 is a wasteful number, since it uses less digits than its factorization.

87664300844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916075215 (or 21916075213 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 87664300844 in words is "eighty-seven billion, six hundred sixty-four million, three hundred thousand, eight hundred forty-four".