8041977497 has 4 divisors (see below), whose sum is σ = 8070596916. Its totient is φ = 8013358080.

The previous prime is 8041977481. The next prime is 8041977509. The reversal of 8041977497 is 7947791408.

8041977497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4119585856 + 3922391641 = 64184^2 + 62629^2 .

It is a cyclic number.

It is not a de Polignac number, because 8041977497 - 2⁴ = 8041977481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8041947497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14309288 + ... + 14309849.

It is an arithmetic number, because the mean of its divisors is an integer number (2017649229).

Almost surely, 2^8041977497 is an apocalyptic number.

It is an amenable number.

8041977497 is a deficient number, since it is larger than the sum of its proper divisors (28619419).

8041977497 is a wasteful number, since it uses less digits than its factorization.

8041977497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28619418.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The square root of 8041977497 is about 89677.0734190183. The cubic root of 8041977497 is about 2003.4920240853.

The spelling of 8041977497 in words is "eight billion, forty-one million, nine hundred seventy-seven thousand, four hundred ninety-seven".