7382861538 has 16 divisors (see below), whose sum is σ = 15901548096. Its totient is φ = 2271649680.

The previous prime is 7382861509. The next prime is 7382861543. The reversal of 7382861538 is 8351682837.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47325958 + ... + 47326113.

It is an arithmetic number, because the mean of its divisors is an integer number (993846756).

Almost surely, 2^7382861538 is an apocalyptic number.

7382861538 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7382861538 is an abundant number, since it is smaller than the sum of its proper divisors (8518686558).

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

7382861538 is a wasteful number, since it uses less digits than its factorization.

7382861538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94652089.

The product of its digits is 1935360, while the sum is 51.

The square root of 7382861538 is about 85923.5796391189. The cubic root of 7382861538 is about 1947.1895993724.

The spelling of 7382861538 in words is "seven billion, three hundred eighty-two million, eight hundred sixty-one thousand, five hundred thirty-eight".