5261864898 has 8 divisors (see below), whose sum is σ = 10523729808. Its totient is φ = 1753954964.

The previous prime is 5261864879. The next prime is 5261864911. The reversal of 5261864898 is 8984681625.

It is a happy number.

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

5261864898 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438488736 + ... + 438488747.

It is an arithmetic number, because the mean of its divisors is an integer number (1315466226).

Almost surely, 2^5261864898 is an apocalyptic number.

5261864898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5261864898 is a wasteful number, since it uses less digits than its factorization.

5261864898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876977488.

The product of its digits is 6635520, while the sum is 57.

The square root of 5261864898 is about 72538.7130985931. The cubic root of 5261864898 is about 1739.3216294687.

The spelling of 5261864898 in words is "five billion, two hundred sixty-one million, eight hundred sixty-four thousand, eight hundred ninety-eight".