7998301381 has 8 divisors (see below), whose sum is σ = 9167110400. Its totient is φ = 6836041008.

The previous prime is 7998301357. The next prime is 7998301397. The reversal of 7998301381 is 1831038997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7998301381 - 2¹¹ = 7998299333 is a prime.

It is a super-2 number, since 2×7998301381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998301481) 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, 1634541 + ... + 1639426.

It is an arithmetic number, because the mean of its divisors is an integer number (1145888800).

Almost surely, 2^7998301381 is an apocalyptic number.

It is an amenable number.

7998301381 is a deficient number, since it is larger than the sum of its proper divisors (1168809019).

7998301381 is a wasteful number, since it uses less digits than its factorization.

7998301381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274323.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 7998301381 is about 89433.2230270161. The cubic root of 7998301381 is about 1999.8584383971.

The spelling of 7998301381 in words is "seven billion, nine hundred ninety-eight million, three hundred one thousand, three hundred eighty-one".