87877471 has 16 divisors (see below), whose sum is σ = 101806848. Its totient is φ = 74966400.

The previous prime is 87877463. The next prime is 87877499. The reversal of 87877471 is 17477878.

It is a cyclic number.

It is not a de Polignac number, because 87877471 - 2³ = 87877463 is a prime.

It is a super-3 number, since 3×87877471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87871471) 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, 106366 + ... + 107188.

It is an arithmetic number, because the mean of its divisors is an integer number (6362928).

Almost surely, 2^87877471 is an apocalyptic number.

87877471 is a deficient number, since it is larger than the sum of its proper divisors (13929377).

87877471 is a wasteful number, since it uses less digits than its factorization.

87877471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its digits is 614656, while the sum is 49.

The square root of 87877471 is about 9374.2984270824. The cubic root of 87877471 is about 444.5894812734.

The spelling of 87877471 in words is "eighty-seven million, eight hundred seventy-seven thousand, four hundred seventy-one".