87621576053 has 32 divisors (see below), whose sum is σ = 101263219200. Its totient is φ = 75061022400.

The previous prime is 87621576041. The next prime is 87621576059. The reversal of 87621576053 is 35067512678.

It is a cyclic number.

It is not a de Polignac number, because 87621576053 - 2³⁶ = 18902099317 is a prime.

It is a super-3 number, since 3×87621576053³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 87621575992 and 87621576010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87621576059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32082698 + ... + 32085428.

It is an arithmetic number, because the mean of its divisors is an integer number (3164475600).

Almost surely, 2^87621576053 is an apocalyptic number.

It is an amenable number.

87621576053 is a deficient number, since it is larger than the sum of its proper divisors (13641643147).

87621576053 is a wasteful number, since it uses less digits than its factorization.

87621576053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 87621576053 in words is "eighty-seven billion, six hundred twenty-one million, five hundred seventy-six thousand, fifty-three".