623778098 has 8 divisors (see below), whose sum is σ = 936696960. Its totient is φ = 311545780.

The previous prime is 623778091. The next prime is 623778109. The reversal of 623778098 is 890877326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (623778091) 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 3 ways as a sum of consecutive naturals, for example, 169358 + ... + 173001.

It is an arithmetic number, because the mean of its divisors is an integer number (117087120).

Almost surely, 2^623778098 is an apocalyptic number.

623778098 is a deficient number, since it is larger than the sum of its proper divisors (312918862).

623778098 is a wasteful number, since it uses less digits than its factorization.

623778098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343272.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 623778098 is about 24975.5500039539. The cubic root of 623778098 is about 854.4304303657.

The spelling of 623778098 in words is "six hundred twenty-three million, seven hundred seventy-eight thousand, ninety-eight".