899271922802 has 54 divisors (see below), whose sum is σ = 1516070444301. Its totient is φ = 399754491840.

The previous prime is 899271922753. The next prime is 899271922807. The reversal of 899271922802 is 208229172998.

It can be written as a sum of positive squares in 2 ways, for example, as 499480014121 + 399791908681 = 706739^2 + 632291^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=670549.

It is a super-2 number, since 2×899271922802² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899271922807) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 693347018 + ... + 693348314.

Almost surely, 2^899271922802 is an apocalyptic number.

899271922802 is a deficient number, since it is larger than the sum of its proper divisors (616798521499).

899271922802 is an equidigital number, since it uses as much as digits as its factorization.

899271922802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 899271922802 in words is "eight hundred ninety-nine billion, two hundred seventy-one million, nine hundred twenty-two thousand, eight hundred two".