87270669 has 8 divisors (see below), whose sum is σ = 129289920. Its totient is φ = 58180428.

The previous prime is 87270661. The next prime is 87270709. The reversal of 87270669 is 96607278.

It is a happy number.

It is not a de Polignac number, because 87270669 - 2³ = 87270661 is a prime.

It is a super-2 number, since 2×87270669² = 15232339335415122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87270661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616097 + ... + 1616150.

It is an arithmetic number, because the mean of its divisors is an integer number (16161240).

Almost surely, 2^87270669 is an apocalyptic number.

It is an amenable number.

87270669 is a deficient number, since it is larger than the sum of its proper divisors (42019251).

87270669 is a wasteful number, since it uses less digits than its factorization.

87270669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232256 (or 3232250 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 87270669 is about 9341.8771668225. The cubic root of 87270669 is about 443.5638064589.

The spelling of 87270669 in words is "eighty-seven million, two hundred seventy thousand, six hundred sixty-nine".