8077979448 has 128 divisors (see below), whose sum is σ = 27975744000. Its totient is φ = 2098172160.

The previous prime is 8077979417. The next prime is 8077979491. The reversal of 8077979448 is 8449797708.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226213 + ... + 259476.

It is an arithmetic number, because the mean of its divisors is an integer number (218560500).

Almost surely, 2^8077979448 is an apocalyptic number.

8077979448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8077979448 is an abundant number, since it is smaller than the sum of its proper divisors (19897764552).

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

8077979448 is a wasteful number, since it uses less digits than its factorization.

8077979448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485722 (or 485712 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The square root of 8077979448 is about 89877.5803412620. The cubic root of 8077979448 is about 2006.4772870631.

The spelling of 8077979448 in words is "eight billion, seventy-seven million, nine hundred seventy-nine thousand, four hundred forty-eight".