8491203755 has 8 divisors (see below), whose sum is σ = 10202838624. Its totient is φ = 6784033600.

The previous prime is 8491203739. The next prime is 8491203757. The reversal of 8491203755 is 5573021948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8491203755 - 2⁴ = 8491203739 is a prime.

It is a super-2 number, since 2×8491203755² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8491203757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111991 + ... + 1119600.

It is an arithmetic number, because the mean of its divisors is an integer number (1275354828).

Almost surely, 2^8491203755 is an apocalyptic number.

8491203755 is a deficient number, since it is larger than the sum of its proper divisors (1711634869).

8491203755 is a wasteful number, since it uses less digits than its factorization.

8491203755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232357.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 8491203755 is about 92147.7278884292. The cubic root of 8491203755 is about 2040.1233229144.

The spelling of 8491203755 in words is "eight billion, four hundred ninety-one million, two hundred three thousand, seven hundred fifty-five".