7398382881 has 16 divisors (see below), whose sum is σ = 10448167104. Its totient is φ = 4640615424.

The previous prime is 7398382877. The next prime is 7398382897. The reversal of 7398382881 is 1882838937.

It is a happy number.

It is not a de Polignac number, because 7398382881 - 2² = 7398382877 is a prime.

It is a super-2 number, since 2×7398382881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7398382861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147070 + ... + 190856.

It is an arithmetic number, because the mean of its divisors is an integer number (653010444).

Almost surely, 2^7398382881 is an apocalyptic number.

It is an amenable number.

7398382881 is a deficient number, since it is larger than the sum of its proper divisors (3049784223).

7398382881 is a wasteful number, since it uses less digits than its factorization.

7398382881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47120.

The product of its digits is 4644864, while the sum is 57.

The square root of 7398382881 is about 86013.8528435972. The cubic root of 7398382881 is about 1948.5532008456.

The spelling of 7398382881 in words is "seven billion, three hundred ninety-eight million, three hundred eighty-two thousand, eight hundred eighty-one".