87203458620 has 36 divisors (see below), whose sum is σ = 264517158360. Its totient is φ = 23254255584.

The previous prime is 87203458619. The next prime is 87203458697. The reversal of 87203458620 is 2685430278.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242231650 + ... + 242232009.

Almost surely, 2^87203458620 is an apocalyptic number.

It is an amenable number.

87203458620 is an abundant number, since it is smaller than the sum of its proper divisors (177313699740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87203458620 is a wasteful number, since it uses less digits than its factorization.

87203458620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484463674 (or 484463669 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

Adding to 87203458620 its reverse (2685430278), we get a palindrome (89888888898).

The spelling of 87203458620 in words is "eighty-seven billion, two hundred three million, four hundred fifty-eight thousand, six hundred twenty".