498925578 has 16 divisors (see below), whose sum is σ = 999091296. Its totient is φ = 166101840.

The previous prime is 498925577. The next prime is 498925601. The reversal of 498925578 is 875529894.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (498925573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46401 + ... + 56132.

It is an arithmetic number, because the mean of its divisors is an integer number (62443206).

Almost surely, 2^498925578 is an apocalyptic number.

498925578 is an abundant number, since it is smaller than the sum of its proper divisors (500165718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498925578 is a wasteful number, since it uses less digits than its factorization.

498925578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103349.

The product of its digits is 7257600, while the sum is 57.

The square root of 498925578 is about 22336.6420484369. The cubic root of 498925578 is about 793.1316054111.

The spelling of 498925578 in words is "four hundred ninety-eight million, nine hundred twenty-five thousand, five hundred seventy-eight".