498913385787 has 24 divisors (see below), whose sum is σ = 736060653120. Its totient is φ = 325498988160.

The previous prime is 498913385753. The next prime is 498913385813. The reversal of 498913385787 is 787583319894.

498913385787 is a `hidden beast` number, since 4 + 9 + 8 + 9 + 13 + 38 + 578 + 7 = 666.

498913385787 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 498913385787 - 2¹⁰ = 498913384763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498913381787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4509087 + ... + 4618407.

It is an arithmetic number, because the mean of its divisors is an integer number (30669193880).

Almost surely, 2^498913385787 is an apocalyptic number.

498913385787 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

498913385787 is a deficient number, since it is larger than the sum of its proper divisors (237147267333).

498913385787 is a wasteful number, since it uses less digits than its factorization.

498913385787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120163 (or 120160 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 498913385787 in words is "four hundred ninety-eight billion, nine hundred thirteen million, three hundred eighty-five thousand, seven hundred eighty-seven".