8450542079 has 16 divisors (see below), whose sum is σ = 10190914560. Its totient is φ = 6850536000.

The previous prime is 8450542063. The next prime is 8450542091. The reversal of 8450542079 is 9702450548.

It is a happy number.

It is not a de Polignac number, because 8450542079 - 2⁴ = 8450542063 is a prime.

It is a super-2 number, since 2×8450542079² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8450542039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280547 + ... + 309204.

It is an arithmetic number, because the mean of its divisors is an integer number (636932160).

Almost surely, 2^8450542079 is an apocalyptic number.

8450542079 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8450542079 is a deficient number, since it is larger than the sum of its proper divisors (1740372481).

8450542079 is a wasteful number, since it uses less digits than its factorization.

8450542079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589870.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 8450542079 is about 91926.8300280174. The cubic root of 8450542079 is about 2036.8616102004.

The spelling of 8450542079 in words is "eight billion, four hundred fifty million, five hundred forty-two thousand, seventy-nine".