87451458432 has 128 divisors (see below), whose sum is σ = 253589552160. Its totient is φ = 26539425792.

The previous prime is 87451458427. The next prime is 87451458439. The reversal of 87451458432 is 23485415478.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87451458439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244428 + ... + 484404.

Almost surely, 2^87451458432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87451458432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126794776080).

87451458432 is an abundant number, since it is smaller than the sum of its proper divisors (166138093728).

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

87451458432 is a wasteful number, since it uses less digits than its factorization.

87451458432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240080 (or 240068 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 51.

The spelling of 87451458432 in words is "eighty-seven billion, four hundred fifty-one million, four hundred fifty-eight thousand, four hundred thirty-two".