87220350133 has 16 divisors (see below), whose sum is σ = 102137293440. Its totient is φ = 72918547200.

The previous prime is 87220350131. The next prime is 87220350137. The reversal of 87220350133 is 33105302278.

It is a cyclic number.

It is not a de Polignac number, because 87220350133 - 2¹ = 87220350131 is a prime.

It is a super-2 number, since 2×87220350133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87220350131) 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, 1172473 + ... + 1244641.

It is an arithmetic number, because the mean of its divisors is an integer number (6383580840).

Almost surely, 2^87220350133 is an apocalyptic number.

It is an amenable number.

87220350133 is a deficient number, since it is larger than the sum of its proper divisors (14916943307).

87220350133 is a wasteful number, since it uses less digits than its factorization.

87220350133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76428.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 87220350133 in words is "eighty-seven billion, two hundred twenty million, three hundred fifty thousand, one hundred thirty-three".