5198262987 has 4 divisors (see below), whose sum is σ = 6931017320. Its totient is φ = 3465508656.

The previous prime is 5198262983. The next prime is 5198262989. The reversal of 5198262987 is 7892628915.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5198262987 - 2² = 5198262983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198262983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866377162 + ... + 866377167.

It is an arithmetic number, because the mean of its divisors is an integer number (1732754330).

Almost surely, 2^5198262987 is an apocalyptic number.

5198262987 is a deficient number, since it is larger than the sum of its proper divisors (1732754333).

5198262987 is a wasteful number, since it uses less digits than its factorization.

5198262987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732754332.

The product of its digits is 4354560, while the sum is 57.

The square root of 5198262987 is about 72098.9804851636. The cubic root of 5198262987 is about 1732.2852829692.

The spelling of 5198262987 in words is "five billion, one hundred ninety-eight million, two hundred sixty-two thousand, nine hundred eighty-seven".