3261562887 has 16 divisors (see below), whose sum is σ = 4749668352. Its totient is φ = 1974381120.

The previous prime is 3261562883. The next prime is 3261562901. The reversal of 3261562887 is 7882651623.

It is not a de Polignac number, because 3261562887 - 2² = 3261562883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261562883) 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, 29383 + ... + 85944.

It is an arithmetic number, because the mean of its divisors is an integer number (296854272).

Almost surely, 2^3261562887 is an apocalyptic number.

3261562887 is a deficient number, since it is larger than the sum of its proper divisors (1488105465).

3261562887 is a wasteful number, since it uses less digits than its factorization.

3261562887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116198.

The product of its digits is 967680, while the sum is 48.

The square root of 3261562887 is about 57110.0944404752. The cubic root of 3261562887 is about 1483.0026220549.

The spelling of 3261562887 in words is "three billion, two hundred sixty-one million, five hundred sixty-two thousand, eight hundred eighty-seven".