87603364577 has 4 divisors (see below), whose sum is σ = 87623614656. Its totient is φ = 87583114500.

The previous prime is 87603364573. The next prime is 87603364603. The reversal of 87603364577 is 77546330678.

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 87603364577 - 2² = 87603364573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87603364573) 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, 10118549 + ... + 10127202.

It is an arithmetic number, because the mean of its divisors is an integer number (21905903664).

Almost surely, 2^87603364577 is an apocalyptic number.

It is an amenable number.

87603364577 is a deficient number, since it is larger than the sum of its proper divisors (20250079).

87603364577 is a wasteful number, since it uses less digits than its factorization.

87603364577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250078.

The product of its (nonzero) digits is 17781120, while the sum is 56.

The spelling of 87603364577 in words is "eighty-seven billion, six hundred three million, three hundred sixty-four thousand, five hundred seventy-seven".