8258997078 has 12 divisors (see below), whose sum is σ = 17894493708. Its totient is φ = 2752999020.

The previous prime is 8258997037. The next prime is 8258997079. The reversal of 8258997078 is 8707998528.

It is a super-2 number, since 2×8258997078² (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 (8258997079) 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 5 ways as a sum of consecutive naturals, for example, 229416568 + ... + 229416603.

It is an arithmetic number, because the mean of its divisors is an integer number (1491207809).

Almost surely, 2^8258997078 is an apocalyptic number.

8258997078 is an abundant number, since it is smaller than the sum of its proper divisors (9635496630).

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

8258997078 is a wasteful number, since it uses less digits than its factorization.

8258997078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458833179 (or 458833176 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The square root of 8258997078 is about 90879.0244115770. The cubic root of 8258997078 is about 2021.3542758140.

The spelling of 8258997078 in words is "eight billion, two hundred fifty-eight million, nine hundred ninety-seven thousand, seventy-eight".