4977987530 has 64 divisors (see below), whose sum is σ = 9465724800. Its totient is φ = 1882874880.

The previous prime is 4977987527. The next prime is 4977987577. The reversal of 4977987530 is 357897794.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4977987530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1764461 + ... + 1767279.

It is an arithmetic number, because the mean of its divisors is an integer number (147901950).

Almost surely, 2^4977987530 is an apocalyptic number.

4977987530 is a deficient number, since it is larger than the sum of its proper divisors (4487737270).

4977987530 is a wasteful number, since it uses less digits than its factorization.

4977987530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The square root of 4977987530 is about 70554.8547585494. The cubic root of 4977987530 is about 1707.4628688422.

The spelling of 4977987530 in words is "four billion, nine hundred seventy-seven million, nine hundred eighty-seven thousand, five hundred thirty".