87396837 has 16 divisors (see below), whose sum is σ = 127971840. Its totient is φ = 52614000.

The previous prime is 87396791. The next prime is 87396857. The reversal of 87396837 is 73869378.

It is not a de Polignac number, because 87396837 - 2⁶ = 87396773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87396837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87396857) 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, 3787 + ... + 13752.

It is an arithmetic number, because the mean of its divisors is an integer number (7998240).

Almost surely, 2^87396837 is an apocalyptic number.

It is an amenable number.

87396837 is a deficient number, since it is larger than the sum of its proper divisors (40575003).

87396837 is a wasteful number, since it uses less digits than its factorization.

87396837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17704.

The product of its digits is 1524096, while the sum is 51.

The square root of 87396837 is about 9348.6275463300. The cubic root of 87396837 is about 443.7774582758. Note that the first 3 decimals are identical.

It can be divided in two parts, 8739 and 6837, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 87396837 in words is "eighty-seven million, three hundred ninety-six thousand, eight hundred thirty-seven".