8405379088 has 20 divisors (see below), whose sum is σ = 17243388540. Its totient is φ = 3955472384.

The previous prime is 8405379043. The next prime is 8405379107. The reversal of 8405379088 is 8809735048.

It can be written as a sum of positive squares in 2 ways, for example, as 5979619584 + 2425759504 = 77328^2 + 49252^2 .

It is a super-2 number, since 2×8405379088² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15450793 + ... + 15451336.

It is an arithmetic number, because the mean of its divisors is an integer number (862169427).

Almost surely, 2^8405379088 is an apocalyptic number.

It is an amenable number.

8405379088 is an abundant number, since it is smaller than the sum of its proper divisors (8838009452).

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

8405379088 is a wasteful number, since it uses less digits than its factorization.

8405379088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902154 (or 30902148 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 8405379088 is about 91680.8545335393. The cubic root of 8405379088 is about 2033.2265325850.

The spelling of 8405379088 in words is "eight billion, four hundred five million, three hundred seventy-nine thousand, eighty-eight".