8415778098 has 64 divisors (see below), whose sum is σ = 21106697472. Its totient is φ = 2177660160.

The previous prime is 8415778097. The next prime is 8415778117. The reversal of 8415778098 is 8908775148.

It is not an unprimeable number, because it can be changed into a prime (8415778093) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 116473 + ... + 174348.

It is an arithmetic number, because the mean of its divisors is an integer number (329792148).

Almost surely, 2^8415778098 is an apocalyptic number.

8415778098 is an abundant number, since it is smaller than the sum of its proper divisors (12690919374).

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

8415778098 is a wasteful number, since it uses less digits than its factorization.

8415778098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290899.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The square root of 8415778098 is about 91737.5500980923. The cubic root of 8415778098 is about 2034.0646795748.

The spelling of 8415778098 in words is "eight billion, four hundred fifteen million, seven hundred seventy-eight thousand, ninety-eight".