87520018354 has 16 divisors (see below), whose sum is σ = 134624107296. Its totient is φ = 42647572000.

The previous prime is 87520018321. The next prime is 87520018363. The reversal of 87520018354 is 45381002578.

It is a super-2 number, since 2×87520018354² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87520018354.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 485872 + ... + 641179.

It is an arithmetic number, because the mean of its divisors is an integer number (8414006706).

Almost surely, 2^87520018354 is an apocalyptic number.

87520018354 is a deficient number, since it is larger than the sum of its proper divisors (47104088942).

87520018354 is a wasteful number, since it uses less digits than its factorization.

87520018354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128041.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 87520018354 in words is "eighty-seven billion, five hundred twenty million, eighteen thousand, three hundred fifty-four".