87271412 has 6 divisors (see below), whose sum is σ = 152724978. Its totient is φ = 43635704.

The previous prime is 87271409. The next prime is 87271423. The reversal of 87271412 is 21417278.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83247376 + 4024036 = 9124^2 + 2006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10908923 + ... + 10908930.

It is an arithmetic number, because the mean of its divisors is an integer number (25454163).

Almost surely, 2^87271412 is an apocalyptic number.

It is an amenable number.

87271412 is a deficient number, since it is larger than the sum of its proper divisors (65453566).

87271412 is a wasteful number, since it uses less digits than its factorization.

87271412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817857 (or 21817855 counting only the distinct ones).

The product of its digits is 6272, while the sum is 32.

The square root of 87271412 is about 9341.9169339060. The cubic root of 87271412 is about 443.5650652514.

The spelling of 87271412 in words is "eighty-seven million, two hundred seventy-one thousand, four hundred twelve".