4877962391 has 4 divisors (see below), whose sum is σ = 4880962152. Its totient is φ = 4874962632.

The previous prime is 4877962343. The next prime is 4877962399. The reversal of 4877962391 is 1932697784.

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-4877962391 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 (4877962399) 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 3 ways as a sum of consecutive naturals, for example, 1497440 + ... + 1500693.

It is an arithmetic number, because the mean of its divisors is an integer number (1220240538).

Almost surely, 2^4877962391 is an apocalyptic number.

4877962391 is a deficient number, since it is larger than the sum of its proper divisors (2999761).

4877962391 is a wasteful number, since it uses less digits than its factorization.

4877962391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999760.

The product of its digits is 4572288, while the sum is 56.

The square root of 4877962391 is about 69842.4111196055. The cubic root of 4877962391 is about 1695.9491081752.

The spelling of 4877962391 in words is "four billion, eight hundred seventy-seven million, nine hundred sixty-two thousand, three hundred ninety-one".