87455182016720 has 80 divisors (see below), whose sum is σ = 238048739405568. Its totient is φ = 29253301294080.

The previous prime is 87455182016681. The next prime is 87455182016747. The reversal of 87455182016720 is 2761028155478.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

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 15 ways as a sum of consecutive naturals, for example, 1904488844 + ... + 1904534763.

Almost surely, 2^{87455182016720} is an apocalyptic number.

87455182016720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87455182016720 is an abundant number, since it is smaller than the sum of its proper divisors (150593557388848).

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

87455182016720 is a wasteful number, since it uses less digits than its factorization.

87455182016720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809023668 (or 3809023662 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 87455182016720 in words is "eighty-seven trillion, four hundred fifty-five billion, one hundred eighty-two million, sixteen thousand, seven hundred twenty".