80436158796903 has 32 divisors (see below), whose sum is σ = 139762375474176. Its totient is φ = 39932107273728.

The previous prime is 80436158796887. The next prime is 80436158796911. The reversal of 80436158796903 is 30969785163408.

It is not a de Polignac number, because 80436158796903 - 2⁴ = 80436158796887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436158796913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8665817251 + ... + 8665826532.

It is an arithmetic number, because the mean of its divisors is an integer number (4367574233568).

Almost surely, 2^{80436158796903} is an apocalyptic number.

80436158796903 is a deficient number, since it is larger than the sum of its proper divisors (59326216677273).

80436158796903 is a wasteful number, since it uses less digits than its factorization.

80436158796903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331643823.

The product of its (nonzero) digits is 235146240, while the sum is 69.

The spelling of 80436158796903 in words is "eighty trillion, four hundred thirty-six billion, one hundred fifty-eight million, seven hundred ninety-six thousand, nine hundred three".