87671469 has 16 divisors (see below), whose sum is σ = 122769792. Its totient is φ = 55543488.

The previous prime is 87671461. The next prime is 87671473. The reversal of 87671469 is 96417678.

It is not a de Polignac number, because 87671469 - 2³ = 87671461 is a prime.

It is a super-2 number, since 2×87671469² = 15372572953235922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87671461) 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, 6787 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (7673112).

Almost surely, 2^87671469 is an apocalyptic number.

It is an amenable number.

87671469 is a deficient number, since it is larger than the sum of its proper divisors (35098323).

87671469 is a wasteful number, since it uses less digits than its factorization.

87671469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276.

The product of its digits is 508032, while the sum is 48.

The square root of 87671469 is about 9363.3043846710. The cubic root of 87671469 is about 444.2418078593.

The spelling of 87671469 in words is "eighty-seven million, six hundred seventy-one thousand, four hundred sixty-nine".