5207120786 has 32 divisors (see below), whose sum is σ = 9316798848. Its totient is φ = 2136101760.

The previous prime is 5207120783. The next prime is 5207120869. The reversal of 5207120786 is 6870217025.

It is a super-2 number, since 2×5207120786² = 54228213759986515592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5207120783) 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, 55160 + ... + 116003.

It is an arithmetic number, because the mean of its divisors is an integer number (291149964).

Almost surely, 2^5207120786 is an apocalyptic number.

5207120786 is a deficient number, since it is larger than the sum of its proper divisors (4109678062).

5207120786 is a wasteful number, since it uses less digits than its factorization.

5207120786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171266.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 5207120786 is about 72160.3823853505. The cubic root of 5207120786 is about 1733.2686580980.

The spelling of 5207120786 in words is "five billion, two hundred seven million, one hundred twenty thousand, seven hundred eighty-six".