623488898488 has 8 divisors (see below), whose sum is σ = 1169041684680. Its totient is φ = 311744449240.

The previous prime is 623488898453. The next prime is 623488898497. The reversal of 623488898488 is 884898884326.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×623488898488² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38968056148 + ... + 38968056163.

It is an arithmetic number, because the mean of its divisors is an integer number (146130210585).

Almost surely, 2^623488898488 is an apocalyptic number.

It is an amenable number.

623488898488 is a deficient number, since it is larger than the sum of its proper divisors (545552786192).

623488898488 is a wasteful number, since it uses less digits than its factorization.

623488898488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77936112317 (or 77936112313 counting only the distinct ones).

The product of its digits is 1358954496, while the sum is 76.

The spelling of 623488898488 in words is "six hundred twenty-three billion, four hundred eighty-eight million, eight hundred ninety-eight thousand, four hundred eighty-eight".