87881153 has 6 divisors (see below), whose sum is σ = 89216946. Its totient is φ = 86565072.

The previous prime is 87881119. The next prime is 87881159. The reversal of 87881153 is 35118878.

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 1149184 = 9313^2 + 1072^2 .

It is not a de Polignac number, because 87881153 - 2¹⁰ = 87880129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87881153.

It is not an unprimeable number, because it can be changed into a prime (87881159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5300 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (14869491).

Almost surely, 2^87881153 is an apocalyptic number.

It is an amenable number.

87881153 is a deficient number, since it is larger than the sum of its proper divisors (1335793).

87881153 is an equidigital number, since it uses as much as digits as its factorization.

87881153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711 (or 19644 counting only the distinct ones).

The product of its digits is 53760, while the sum is 41.

The square root of 87881153 is about 9374.4948130553. The cubic root of 87881153 is about 444.5956905084.

The spelling of 87881153 in words is "eighty-seven million, eight hundred eighty-one thousand, one hundred fifty-three".