80149740747 has 4 divisors (see below), whose sum is σ = 106866321000. Its totient is φ = 53433160496.

The previous prime is 80149740709. The next prime is 80149740851. The reversal of 80149740747 is 74704794108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80149740747 - 2¹⁰ = 80149739723 is a prime.

It is a super-2 number, since 2×80149740747² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80149740747.

It is not an unprimeable number, because it can be changed into a prime (80149740247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13358290122 + ... + 13358290127.

It is an arithmetic number, because the mean of its divisors is an integer number (26716580250).

Almost surely, 2^80149740747 is an apocalyptic number.

80149740747 is a deficient number, since it is larger than the sum of its proper divisors (26716580253).

80149740747 is a wasteful number, since it uses less digits than its factorization.

80149740747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26716580252.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 80149740747 in words is "eighty billion, one hundred forty-nine million, seven hundred forty thousand, seven hundred forty-seven".