87002909837 has 8 divisors (see below), whose sum is σ = 87247595160. Its totient is φ = 86758286400.

The previous prime is 87002909821. The next prime is 87002909839. The reversal of 87002909837 is 73890920078.

It can be written as a sum of positive squares in 4 ways, for example, as 48337979881 + 38664929956 = 219859^2 + 196634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87002909837 - 2⁴ = 87002909821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87002909839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5463587 + ... + 5479487.

It is an arithmetic number, because the mean of its divisors is an integer number (10905949395).

Almost surely, 2^87002909837 is an apocalyptic number.

It is an amenable number.

87002909837 is a deficient number, since it is larger than the sum of its proper divisors (244685323).

87002909837 is a wasteful number, since it uses less digits than its factorization.

87002909837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30943.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 87002909837 in words is "eighty-seven billion, two million, nine hundred nine thousand, eight hundred thirty-seven".