7915375338 has 96 divisors (see below), whose sum is σ = 19064552640. Its totient is φ = 2171473920.

The previous prime is 7915375313. The next prime is 7915375361. The reversal of 7915375338 is 8335735197.

It is a super-2 number, since 2×7915375338² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 419058 + ... + 437538.

It is an arithmetic number, because the mean of its divisors is an integer number (198589090).

Almost surely, 2^7915375338 is an apocalyptic number.

7915375338 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7915375338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9532276320).

7915375338 is an abundant number, since it is smaller than the sum of its proper divisors (11149177302).

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

7915375338 is a wasteful number, since it uses less digits than its factorization.

7915375338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18552 (or 18535 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 51.

The square root of 7915375338 is about 88968.3951636760. The cubic root of 7915375338 is about 1992.9229319249.

The spelling of 7915375338 in words is "seven billion, nine hundred fifteen million, three hundred seventy-five thousand, three hundred thirty-eight".