87277671 has 24 divisors (see below), whose sum is σ = 136179680. Its totient is φ = 53545536.

The previous prime is 87277667. The next prime is 87277691. The reversal of 87277671 is 17677278.

It is a happy number.

It is not a de Polignac number, because 87277671 - 2² = 87277667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87277601) 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 23 ways as a sum of consecutive naturals, for example, 45510 + ... + 47388.

Almost surely, 2^87277671 is an apocalyptic number.

87277671 is a deficient number, since it is larger than the sum of its proper divisors (48902009).

87277671 is a wasteful number, since it uses less digits than its factorization.

87277671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2292 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The square root of 87277671 is about 9342.2519233855. The cubic root of 87277671 is about 443.5756689810.

The spelling of 87277671 in words is "eighty-seven million, two hundred seventy-seven thousand, six hundred seventy-one".