7238478198 has 16 divisors (see below), whose sum is σ = 16545093120. Its totient is φ = 2068136616.

The previous prime is 7238478193. The next prime is 7238478199. The reversal of 7238478198 is 8918748327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7238478193) 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, 86172318 + ... + 86172401.

It is an arithmetic number, because the mean of its divisors is an integer number (1034068320).

Almost surely, 2^7238478198 is an apocalyptic number.

7238478198 is an abundant number, since it is smaller than the sum of its proper divisors (9306614922).

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

7238478198 is a wasteful number, since it uses less digits than its factorization.

7238478198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172344731.

The product of its digits is 5419008, while the sum is 57.

The square root of 7238478198 is about 85079.2465763537. The cubic root of 7238478198 is about 1934.4125014372.

The spelling of 7238478198 in words is "seven billion, two hundred thirty-eight million, four hundred seventy-eight thousand, one hundred ninety-eight".