87752035573 has 4 divisors (see below), whose sum is σ = 88987979808. Its totient is φ = 86516091340.

The previous prime is 87752035561. The next prime is 87752035639. The reversal of 87752035573 is 37553025778.

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 a de Polignac number, because none of the positive numbers 2^k-87752035573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87752035573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87752035523) 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, 617972011 + ... + 617972152.

It is an arithmetic number, because the mean of its divisors is an integer number (22246994952).

Almost surely, 2^87752035573 is an apocalyptic number.

It is an amenable number.

87752035573 is a deficient number, since it is larger than the sum of its proper divisors (1235944235).

87752035573 is a wasteful number, since it uses less digits than its factorization.

87752035573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235944234.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 87752035573 in words is "eighty-seven billion, seven hundred fifty-two million, thirty-five thousand, five hundred seventy-three".