80436037997 has 8 divisors (see below), whose sum is σ = 91959099456. Its totient is φ = 68921026272.

The previous prime is 80436037991. The next prime is 80436038003. The reversal of 80436037997 is 79973063408.

It is an interprime number because it is at equal distance from previous prime (80436037991) and next prime (80436038003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80436037997 - 2⁶ = 80436037933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436037991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991003 + ... + 2031000.

It is an arithmetic number, because the mean of its divisors is an integer number (11494887432).

Almost surely, 2^80436037997 is an apocalyptic number.

It is an amenable number.

80436037997 is a deficient number, since it is larger than the sum of its proper divisors (11523061459).

80436037997 is a wasteful number, since it uses less digits than its factorization.

80436037997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024867.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 80436037997 in words is "eighty billion, four hundred thirty-six million, thirty-seven thousand, nine hundred ninety-seven".