4977991970 has 32 divisors (see below), whose sum is σ = 10252165248. Its totient is φ = 1704786048.

The previous prime is 4977991961. The next prime is 4977991987. The reversal of 4977991970 is 791997794.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21542 + ... + 102078.

It is an arithmetic number, because the mean of its divisors is an integer number (320380164).

Almost surely, 2^4977991970 is an apocalyptic number.

4977991970 is an abundant number, since it is smaller than the sum of its proper divisors (5274173278).

4977991970 is a wasteful number, since it uses less digits than its factorization.

4977991970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81434.

The product of its (nonzero) digits is 9001692, while the sum is 62.

The square root of 4977991970 is about 70554.8862234218. The cubic root of 4977991970 is about 1707.4633764860.

The spelling of 4977991970 in words is "four billion, nine hundred seventy-seven million, nine hundred ninety-one thousand, nine hundred seventy".