80435069892 has 18 divisors (see below), whose sum is σ = 203321982318. Its totient is φ = 26811689952.

The previous prime is 80435069843. The next prime is 80435069971. The reversal of 80435069892 is 29896053408.

80435069892 is a `hidden beast` number, since 8 + 0 + 43 + 506 + 9 + 8 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52041471876 + 28393598016 = 228126^2 + 168504^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117153713 + ... + 1117153784.

Almost surely, 2^80435069892 is an apocalyptic number.

It is an amenable number.

80435069892 is an abundant number, since it is smaller than the sum of its proper divisors (122886912426).

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

80435069892 is a wasteful number, since it uses less digits than its factorization.

80435069892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234307507 (or 2234307502 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 80435069892 in words is "eighty billion, four hundred thirty-five million, sixty-nine thousand, eight hundred ninety-two".