488991699 has 12 divisors (see below), whose sum is σ = 807224496. Its totient is φ = 279423792.

The previous prime is 488991673. The next prime is 488991709. The reversal of 488991699 is 996199884.

488991699 is a `hidden beast` number, since 488 + 9 + 91 + 69 + 9 = 666.

It is not a de Polignac number, because 488991699 - 2⁸ = 488991443 is a prime.

It is a super-2 number, since 2×488991699² = 478225763381813202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 7761773 = 488991699 / (4 + 8 + 8 + 9 + 9 + 1 + 6 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (488991199) 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 11 ways as a sum of consecutive naturals, for example, 3880824 + ... + 3880949.

It is an arithmetic number, because the mean of its divisors is an integer number (67268708).

Almost surely, 2^488991699 is an apocalyptic number.

488991699 is a deficient number, since it is larger than the sum of its proper divisors (318232797).

488991699 is a wasteful number, since it uses less digits than its factorization.

488991699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761786 (or 7761783 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 488991699 is about 22113.1566946015. The cubic root of 488991699 is about 787.8323845566.

The spelling of 488991699 in words is "four hundred eighty-eight million, nine hundred ninety-one thousand, six hundred ninety-nine".