548812787807 has 4 divisors (see below), whose sum is σ = 548823809040. Its totient is φ = 548801766576.

The previous prime is 548812787797. The next prime is 548812787837. The reversal of 548812787807 is 708787218845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548812787807 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 (548812787837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435582 + ... + 5535627.

It is an arithmetic number, because the mean of its divisors is an integer number (137205952260).

Almost surely, 2^548812787807 is an apocalyptic number.

548812787807 is a deficient number, since it is larger than the sum of its proper divisors (11021233).

548812787807 is a wasteful number, since it uses less digits than its factorization.

548812787807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021232.

The product of its (nonzero) digits is 56197120, while the sum is 65.

The spelling of 548812787807 in words is "five hundred forty-eight billion, eight hundred twelve million, seven hundred eighty-seven thousand, eight hundred seven".