4777965021 has 8 divisors (see below), whose sum is σ = 6397055104. Its totient is φ = 3172092480.

The previous prime is 4777964981. The next prime is 4777965029. The reversal of 4777965021 is 1205697774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4777965021 - 2⁹ = 4777964509 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 (4777965029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3303541 + ... + 3304986.

It is an arithmetic number, because the mean of its divisors is an integer number (799631888).

Almost surely, 2^4777965021 is an apocalyptic number.

It is an amenable number.

4777965021 is a deficient number, since it is larger than the sum of its proper divisors (1619090083).

4777965021 is a wasteful number, since it uses less digits than its factorization.

4777965021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608771.

The product of its (nonzero) digits is 740880, while the sum is 48.

The square root of 4777965021 is about 69122.8256149877. The cubic root of 4777965021 is about 1684.2801177220.

The spelling of 4777965021 in words is "four billion, seven hundred seventy-seven million, nine hundred sixty-five thousand, twenty-one".