80506135377 has 12 divisors (see below), whose sum is σ = 116517832704. Its totient is φ = 53564052600.

The previous prime is 80506135313. The next prime is 80506135403. The reversal of 80506135377 is 77353160508.

80506135377 is a `hidden beast` number, since 8 + 0 + 50 + 61 + 3 + 537 + 7 = 666.

It is not a de Polignac number, because 80506135377 - 2⁶ = 80506135313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80506135777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8887249 + ... + 8896302.

It is an arithmetic number, because the mean of its divisors is an integer number (9709819392).

Almost surely, 2^80506135377 is an apocalyptic number.

It is an amenable number.

80506135377 is a deficient number, since it is larger than the sum of its proper divisors (36011697327).

80506135377 is a wasteful number, since it uses less digits than its factorization.

80506135377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784060 (or 17784057 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 80506135377 in words is "eighty billion, five hundred six million, one hundred thirty-five thousand, three hundred seventy-seven".