2087038261 has 32 divisors (see below), whose sum is σ = 2743603200. Its totient is φ = 1538066880.

The previous prime is 2087038259. The next prime is 2087038267. The reversal of 2087038261 is 1628307802.

It is not a de Polignac number, because 2087038261 - 2¹ = 2087038259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2087038261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087038267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519371 + ... + 1520743.

It is an arithmetic number, because the mean of its divisors is an integer number (85737600).

Almost surely, 2^2087038261 is an apocalyptic number.

It is an amenable number.

2087038261 is a deficient number, since it is larger than the sum of its proper divisors (656564939).

2087038261 is a wasteful number, since it uses less digits than its factorization.

2087038261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2087038261 is about 45684.1138799911. The cubic root of 2087038261 is about 1277.9390379039.

The spelling of 2087038261 in words is "two billion, eighty-seven million, thirty-eight thousand, two hundred sixty-one".