4727499861 has 12 divisors (see below), whose sum is σ = 7332448992. Its totient is φ = 2701428408.

The previous prime is 4727499823. The next prime is 4727499901. The reversal of 4727499861 is 1689947274.

It is a happy number.

It is not a de Polignac number, because 4727499861 - 2⁶ = 4727499797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4727499811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16079785 + ... + 16080078.

It is an arithmetic number, because the mean of its divisors is an integer number (611037416).

Almost surely, 2^4727499861 is an apocalyptic number.

It is an amenable number.

4727499861 is a deficient number, since it is larger than the sum of its proper divisors (2604949131).

4727499861 is a wasteful number, since it uses less digits than its factorization.

4727499861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32159880 (or 32159873 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 4727499861 is about 68756.8168329512. The cubic root of 4727499861 is about 1678.3292939484.

The spelling of 4727499861 in words is "four billion, seven hundred twenty-seven million, four hundred ninety-nine thousand, eight hundred sixty-one".