8454389761 has 4 divisors (see below), whose sum is σ = 8467457472. Its totient is φ = 8441322052.

The previous prime is 8454389759. The next prime is 8454389767. The reversal of 8454389761 is 1679834548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8454389761 - 2¹ = 8454389759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8454389767) 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 3 ways as a sum of consecutive naturals, for example, 6532885 + ... + 6534178.

It is an arithmetic number, because the mean of its divisors is an integer number (2116864368).

Almost surely, 2^8454389761 is an apocalyptic number.

It is an amenable number.

8454389761 is a deficient number, since it is larger than the sum of its proper divisors (13067711).

8454389761 is a wasteful number, since it uses less digits than its factorization.

8454389761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067710.

The product of its digits is 5806080, while the sum is 55.

The square root of 8454389761 is about 91947.7556061049. The cubic root of 8454389761 is about 2037.1707030574.

The spelling of 8454389761 in words is "eight billion, four hundred fifty-four million, three hundred eighty-nine thousand, seven hundred sixty-one".