8207623442 has 30 divisors (see below), whose sum is σ = 13027793493. Its totient is φ = 3877996696.

The previous prime is 8207623423. The next prime is 8207623447. The reversal of 8207623442 is 2443267028.

It can be written as a sum of positive squares in 2 ways, for example, as 8202743761 + 4879681 = 90569^2 + 2209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64061.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8207623396 and 8207623405.

It is not an unprimeable number, because it can be changed into a prime (8207623447) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 174630263 + ... + 174630309.

Almost surely, 2^8207623442 is an apocalyptic number.

8207623442 is a deficient number, since it is larger than the sum of its proper divisors (4820170051).

8207623442 is an frugal number, since it uses more digits than its factorization.

8207623442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 8207623442 is about 90595.9350191828. The cubic root of 8207623442 is about 2017.1543961726.

The spelling of 8207623442 in words is "eight billion, two hundred seven million, six hundred twenty-three thousand, four hundred forty-two".