723748887 has 6 divisors (see below), whose sum is σ = 1045415072. Its totient is φ = 482499252.

The previous prime is 723748859. The next prime is 723748901. The reversal of 723748887 is 788847327.

It is a happy number.

It is not a de Polignac number, because 723748887 - 2⁸ = 723748631 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 (723748187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40208263 + ... + 40208280.

Almost surely, 2^723748887 is an apocalyptic number.

723748887 is a deficient number, since it is larger than the sum of its proper divisors (321666185).

723748887 is a wasteful number, since it uses less digits than its factorization.

723748887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80416549 (or 80416546 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 723748887 is about 26902.5814188899. The cubic root of 723748887 is about 897.8338387146.

The spelling of 723748887 in words is "seven hundred twenty-three million, seven hundred forty-eight thousand, eight hundred eighty-seven".