763540447 has 12 divisors (see below), whose sum is σ = 797196288. Its totient is φ = 731203200.

The previous prime is 763540433. The next prime is 763540457. The reversal of 763540447 is 744045367.

It is a de Polignac number, because none of the positive numbers 2^k-763540447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763540457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89122 + ... + 97312.

It is an arithmetic number, because the mean of its divisors is an integer number (66433024).

Almost surely, 2^763540447 is an apocalyptic number.

763540447 is a deficient number, since it is larger than the sum of its proper divisors (33655841).

763540447 is an equidigital number, since it uses as much as digits as its factorization.

763540447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8319 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 763540447 is about 27632.2356496900. The cubic root of 763540447 is about 913.9954125318.

The spelling of 763540447 in words is "seven hundred sixty-three million, five hundred forty thousand, four hundred forty-seven".