4975665786 has 64 divisors (see below), whose sum is σ = 13608672000. Its totient is φ = 1312262208.

The previous prime is 4975665781. The next prime is 4975665787. The reversal of 4975665786 is 6875665794.

4975665786 is a `hidden beast` number, since 4 + 9 + 7 + 56 + 6 + 578 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4975665781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501361 + ... + 511188.

It is an arithmetic number, because the mean of its divisors is an integer number (212635500).

Almost surely, 2^4975665786 is an apocalyptic number.

4975665786 is an abundant number, since it is smaller than the sum of its proper divisors (8633006214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4975665786 is a wasteful number, since it uses less digits than its factorization.

4975665786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012580 (or 1012574 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The square root of 4975665786 is about 70538.3993722568. The cubic root of 4975665786 is about 1707.1973727875.

It can be divided in two parts, 4975 and 665786, that added together give a square (670761 = 819²).

The spelling of 4975665786 in words is "four billion, nine hundred seventy-five million, six hundred sixty-five thousand, seven hundred eighty-six".