87391104550272 has 224 divisors, whose sum is σ = 261128772483480. Its totient is φ = 29119321939968.

The previous prime is 87391104550213. The next prime is 87391104550301. The reversal of 87391104550272 is 27205540119378.

87391104550272 is a `hidden beast` number, since 8 + 7 + 3 + 9 + 1 + 10 + 4 + 550 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 247753743 + ... + 248106225.

Almost surely, 2^{87391104550272} 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 87391104550272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130564386241740).

87391104550272 is an abundant number, since it is smaller than the sum of its proper divisors (173737667933208).

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

87391104550272 is an equidigital number, since it uses as much as digits as its factorization.

87391104550272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355172 (or 355145 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 87391104550272 in words is "eighty-seven trillion, three hundred ninety-one billion, one hundred four million, five hundred fifty thousand, two hundred seventy-two".