8078552981 has 8 divisors (see below), whose sum is σ = 8512553280. Its totient is φ = 7645434048.

The previous prime is 8078552971. The next prime is 8078553011. The reversal of 8078552981 is 1892558708.

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 8078552981 - 2⁶ = 8078552917 is a prime.

It is a super-2 number, since 2×8078552981² (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 (8078552921) 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, 201476 + ... + 238221.

It is an arithmetic number, because the mean of its divisors is an integer number (1064069160).

Almost surely, 2^8078552981 is an apocalyptic number.

It is an amenable number.

8078552981 is a deficient number, since it is larger than the sum of its proper divisors (434000299).

8078552981 is a wasteful number, since it uses less digits than its factorization.

8078552981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440683.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The square root of 8078552981 is about 89880.7709190347. The cubic root of 8078552981 is about 2006.5247722753.

The spelling of 8078552981 in words is "eight billion, seventy-eight million, five hundred fifty-two thousand, nine hundred eighty-one".