80435955501 has 16 divisors (see below), whose sum is σ = 129997504320. Its totient is φ = 48749063760.

The previous prime is 80435955443. The next prime is 80435955503. The reversal of 80435955501 is 10555953408.

80435955501 is a `hidden beast` number, since 8 + 0 + 4 + 3 + 5 + 95 + 550 + 1 = 666.

It is not a de Polignac number, because 80435955501 - 2¹⁰ = 80435954477 is a prime.

It is a super-2 number, since 2×80435955501² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80435955503) 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, 135413770 + ... + 135414363.

It is an arithmetic number, because the mean of its divisors is an integer number (8124844020).

Almost surely, 2^80435955501 is an apocalyptic number.

It is an amenable number.

80435955501 is a deficient number, since it is larger than the sum of its proper divisors (49561548819).

80435955501 is a wasteful number, since it uses less digits than its factorization.

80435955501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270828153 (or 270828147 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 80435955501 in words is "eighty billion, four hundred thirty-five million, nine hundred fifty-five thousand, five hundred one".