5205777108 has 24 divisors (see below), whose sum is σ = 13882072512. Its totient is φ = 1487364864.

The previous prime is 5205777061. The next prime is 5205777121. The reversal of 5205777108 is 8017775025.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 5205777108.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 30986685 + ... + 30986852.

It is an arithmetic number, because the mean of its divisors is an integer number (578419688).

Almost surely, 2^5205777108 is an apocalyptic number.

It is an amenable number.

5205777108 is an abundant number, since it is smaller than the sum of its proper divisors (8676295404).

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

5205777108 is a wasteful number, since it uses less digits than its factorization.

5205777108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61973551 (or 61973549 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The square root of 5205777108 is about 72151.0714265561. The cubic root of 5205777108 is about 1733.1195574456.

The spelling of 5205777108 in words is "five billion, two hundred five million, seven hundred seventy-seven thousand, one hundred eight".