87874199 has 10 divisors (see below), whose sum is σ = 102516600. Its totient is φ = 75318684.

The previous prime is 87874153. The next prime is 87874219. The reversal of 87874199 is 99147878.

It is not a de Polignac number, because 87874199 - 2¹² = 87870103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 87874199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87874999) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15899 + ... + 20700.

It is an arithmetic number, because the mean of its divisors is an integer number (10251660).

Almost surely, 2^87874199 is an apocalyptic number.

87874199 is a deficient number, since it is larger than the sum of its proper divisors (14642401).

87874199 is an frugal number, since it uses more digits than its factorization.

87874199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36627 (or 36606 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 53.

The square root of 87874199 is about 9374.1239057311. The cubic root of 87874199 is about 444.5839633068.

The spelling of 87874199 in words is "eighty-seven million, eight hundred seventy-four thousand, one hundred ninety-nine".