80672787460 has 24 divisors (see below), whose sum is σ = 169479215640. Its totient is φ = 32256474624.

The previous prime is 80672787457. The next prime is 80672787463. The reversal of 80672787460 is 6478727608.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80672787457) and next prime (80672787463).

It can be written as a sum of positive squares in 4 ways, for example, as 172344384 + 80500443076 = 13128^2 + 283726^2 .

It is not an unprimeable number, because it can be changed into a prime (80672787463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737605 + ... + 839884.

It is an arithmetic number, because the mean of its divisors is an integer number (7061633985).

Almost surely, 2^80672787460 is an apocalyptic number.

It is an amenable number.

80672787460 is an abundant number, since it is smaller than the sum of its proper divisors (88806428180).

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

80672787460 is a wasteful number, since it uses less digits than its factorization.

80672787460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580055 (or 1580053 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 80672787460 in words is "eighty billion, six hundred seventy-two million, seven hundred eighty-seven thousand, four hundred sixty".