80447854657537 has 8 divisors (see below), whose sum is σ = 87927825964032. Its totient is φ = 73273188302400.

The previous prime is 80447854657481. The next prime is 80447854657627. The reversal of 80447854657537 is 73575645874408.

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

It is a de Polignac number, because none of the positive numbers 2^k-80447854657537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80447854657537.

It is not an unprimeable number, because it can be changed into a prime (80447854654537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76326237289 + ... + 76326238342.

It is an arithmetic number, because the mean of its divisors is an integer number (10990978245504).

Almost surely, 2^{80447854657537} is an apocalyptic number.

It is an amenable number.

80447854657537 is a deficient number, since it is larger than the sum of its proper divisors (7479971306495).

80447854657537 is a wasteful number, since it uses less digits than its factorization.

80447854657537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152652475679.

The product of its (nonzero) digits is 3161088000, while the sum is 73.

The spelling of 80447854657537 in words is "eighty trillion, four hundred forty-seven billion, eight hundred fifty-four million, six hundred fifty-seven thousand, five hundred thirty-seven".