80048805578138 has 8 divisors (see below), whose sum is σ = 120077033301588. Its totient is φ = 40023127810944.

The previous prime is 80048805578123. The next prime is 80048805578143. The reversal of 80048805578138 is 83187550884008.

It can be written as a sum of positive squares in 2 ways, for example, as 45812416269169 + 34236389308969 = 6768487^2 + 5851187^2 .

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

It is a super-2 number, since 2×80048805578138² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637410581 + ... + 637536152.

Almost surely, 2^{80048805578138} is an apocalyptic number.

80048805578138 is a deficient number, since it is larger than the sum of its proper divisors (40028227723450).

80048805578138 is a wasteful number, since it uses less digits than its factorization.

80048805578138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274978128.

The product of its (nonzero) digits is 68812800, while the sum is 65.

The spelling of 80048805578138 in words is "eighty trillion, forty-eight billion, eight hundred five million, five hundred seventy-eight thousand, one hundred thirty-eight".