87604223641 has 4 divisors (see below), whose sum is σ = 95568243984. Its totient is φ = 79640203300.

The previous prime is 87604223633. The next prime is 87604223653. The reversal of 87604223641 is 14632240678.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87604223641 - 2³ = 87604223633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87604224641) 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, 3982010155 + ... + 3982010176.

It is an arithmetic number, because the mean of its divisors is an integer number (23892060996).

Almost surely, 2^87604223641 is an apocalyptic number.

It is an amenable number.

87604223641 is a deficient number, since it is larger than the sum of its proper divisors (7964020343).

87604223641 is a wasteful number, since it uses less digits than its factorization.

87604223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964020342.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 87604223641 in words is "eighty-seven billion, six hundred four million, two hundred twenty-three thousand, six hundred forty-one".