87421873080 has 32 divisors (see below), whose sum is σ = 262265619600. Its totient is φ = 23312499456.

The previous prime is 87421873073. The next prime is 87421873111. The reversal of 87421873080 is 8037812478.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364257685 + ... + 364257924.

Almost surely, 2^87421873080 is an apocalyptic number.

It is an amenable number.

87421873080 is an abundant number, since it is smaller than the sum of its proper divisors (174843746520).

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

87421873080 is a wasteful number, since it uses less digits than its factorization.

87421873080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728515623 (or 728515619 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 87421873080 in words is "eighty-seven billion, four hundred twenty-one million, eight hundred seventy-three thousand, eighty".