8251330773 has 16 divisors (see below), whose sum is σ = 13235217920. Its totient is φ = 4466885616.

The previous prime is 8251330771. The next prime is 8251330807. The reversal of 8251330773 is 3770331528.

It is a happy number.

It is not a de Polignac number, because 8251330773 - 2¹ = 8251330771 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8251330771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10339615 + ... + 10340412.

It is an arithmetic number, because the mean of its divisors is an integer number (827201120).

Almost surely, 2^8251330773 is an apocalyptic number.

It is an amenable number.

8251330773 is a deficient number, since it is larger than the sum of its proper divisors (4983887147).

8251330773 is a wasteful number, since it uses less digits than its factorization.

8251330773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680056.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 8251330773 is about 90836.8359917935. The cubic root of 8251330773 is about 2020.7286503912.

The spelling of 8251330773 in words is "eight billion, two hundred fifty-one million, three hundred thirty thousand, seven hundred seventy-three".