5157763221 has 48 divisors (see below), whose sum is σ = 7643344896. Its totient is φ = 3090904128.

The previous prime is 5157763217. The next prime is 5157763253. The reversal of 5157763221 is 1223677515.

It is a happy number.

It is not a de Polignac number, because 5157763221 - 2² = 5157763217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 5157763221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157763201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6266616 + ... + 6267438.

It is an arithmetic number, because the mean of its divisors is an integer number (159236352).

Almost surely, 2^5157763221 is an apocalyptic number.

It is an amenable number.

5157763221 is a deficient number, since it is larger than the sum of its proper divisors (2485581675).

5157763221 is a wasteful number, since it uses less digits than its factorization.

5157763221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1149 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 5157763221 is about 71817.5690273627. The cubic root of 5157763221 is about 1727.7747929536.

The spelling of 5157763221 in words is "five billion, one hundred fifty-seven million, seven hundred sixty-three thousand, two hundred twenty-one".