4999997775 has 48 divisors (see below), whose sum is σ = 8634268800. Its totient is φ = 2550533760.

The previous prime is 4999997767. The next prime is 4999997777. The reversal of 4999997775 is 5777999994.

It is not a de Polignac number, because 4999997775 - 2³ = 4999997767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 4999997697 and 4999997706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999997777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148456 + ... + 178994.

It is an arithmetic number, because the mean of its divisors is an integer number (179880600).

Almost surely, 2^4999997775 is an apocalyptic number.

4999997775 is a deficient number, since it is larger than the sum of its proper divisors (3634271025).

4999997775 is a wasteful number, since it uses less digits than its factorization.

4999997775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30648 (or 30643 counting only the distinct ones).

The product of its digits is 405076140, while the sum is 75.

The square root of 4999997775 is about 70710.6623855271. The cubic root of 4999997775 is about 1709.9756930302.

The spelling of 4999997775 in words is "four billion, nine hundred ninety-nine million, nine hundred ninety-seven thousand, seven hundred seventy-five".