80464137999 has 32 divisors (see below), whose sum is σ = 124964550144. Its totient is φ = 45097852800.

The previous prime is 80464137977. The next prime is 80464138019. The reversal of 80464137999 is 99973146408.

It is not a de Polignac number, because 80464137999 - 2¹⁵ = 80464105231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80464137959) 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, 4276777 + ... + 4295549.

It is an arithmetic number, because the mean of its divisors is an integer number (3905142192).

Almost surely, 2^80464137999 is an apocalyptic number.

80464137999 is a deficient number, since it is larger than the sum of its proper divisors (44500412145).

80464137999 is a wasteful number, since it uses less digits than its factorization.

80464137999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22687.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 80464137999 in words is "eighty billion, four hundred sixty-four million, one hundred thirty-seven thousand, nine hundred ninety-nine".