7838250099 has 16 divisors (see below), whose sum is σ = 10496548608. Its totient is φ = 5202771552.

The previous prime is 7838250053. The next prime is 7838250103. The reversal of 7838250099 is 9900528387.

It is not a de Polignac number, because 7838250099 - 2³² = 3543282803 is a prime.

It is a super-2 number, since 2×7838250099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7838250599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751629 + ... + 761985.

It is an arithmetic number, because the mean of its divisors is an integer number (656034288).

Almost surely, 2^7838250099 is an apocalyptic number.

7838250099 is a deficient number, since it is larger than the sum of its proper divisors (2658298509).

7838250099 is a wasteful number, since it uses less digits than its factorization.

7838250099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 7838250099 is about 88533.8923746155. The cubic root of 7838250099 is about 1986.4289633504.

The spelling of 7838250099 in words is "seven billion, eight hundred thirty-eight million, two hundred fifty thousand, ninety-nine".