87220915053 has 8 divisors (see below), whose sum is σ = 116296838400. Its totient is φ = 58146134208.

The previous prime is 87220915007. The next prime is 87220915091. The reversal of 87220915053 is 35051902278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87220915053 - 2¹⁴ = 87220898669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87220914996 and 87220915014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87220915553) 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 7 ways as a sum of consecutive naturals, for example, 87948 + ... + 426821.

It is an arithmetic number, because the mean of its divisors is an integer number (14537104800).

Almost surely, 2^87220915053 is an apocalyptic number.

It is an amenable number.

87220915053 is a deficient number, since it is larger than the sum of its proper divisors (29075923347).

87220915053 is a wasteful number, since it uses less digits than its factorization.

87220915053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571251.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 87220915053 in words is "eighty-seven billion, two hundred twenty million, nine hundred fifteen thousand, fifty-three".