4927977651 has 16 divisors (see below), whose sum is σ = 6784652288. Its totient is φ = 3178375200.

The previous prime is 4927977643. The next prime is 4927977653. The reversal of 4927977651 is 1567797294.

It is a happy number.

It is not a de Polignac number, because 4927977651 - 2³ = 4927977643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4927977591 and 4927977600.

It is not an unprimeable number, because it can be changed into a prime (4927977653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424020 + ... + 435486.

It is an arithmetic number, because the mean of its divisors is an integer number (424040768).

Almost surely, 2^4927977651 is an apocalyptic number.

4927977651 is a deficient number, since it is larger than the sum of its proper divisors (1856674637).

4927977651 is a wasteful number, since it uses less digits than its factorization.

4927977651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16122.

The product of its digits is 6667920, while the sum is 57.

The square root of 4927977651 is about 70199.5559173988. Note that the first 3 decimals coincide. The cubic root of 4927977651 is about 1701.7257735362.

The spelling of 4927977651 in words is "four billion, nine hundred twenty-seven million, nine hundred seventy-seven thousand, six hundred fifty-one".