8424779450 has 24 divisors (see below), whose sum is σ = 15672627840. Its totient is φ = 3369366000.

The previous prime is 8424779443. The next prime is 8424779477. The reversal of 8424779450 is 549774248.

It is a happy number.

It is a super-2 number, since 2×8424779450² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463025 + ... + 480875.

It is an arithmetic number, because the mean of its divisors is an integer number (653026160).

Almost surely, 2^8424779450 is an apocalyptic number.

8424779450 is a deficient number, since it is larger than the sum of its proper divisors (7247848390).

8424779450 is a wasteful number, since it uses less digits than its factorization.

8424779450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 8424779450 is about 91786.5973331619. The cubic root of 8424779450 is about 2034.7896198028.

The spelling of 8424779450 in words is "eight billion, four hundred twenty-four million, seven hundred seventy-nine thousand, four hundred fifty".