80917613551 has 16 divisors (see below), whose sum is σ = 81923750496. Its totient is φ = 79919364096.

The previous prime is 80917613537. The next prime is 80917613561. The reversal of 80917613551 is 15531671908.

It is a cyclic number.

It is not a de Polignac number, because 80917613551 - 2¹⁷ = 80917482479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80917613561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18007461 + ... + 18011953.

It is an arithmetic number, because the mean of its divisors is an integer number (5120234406).

Almost surely, 2^80917613551 is an apocalyptic number.

80917613551 is a deficient number, since it is larger than the sum of its proper divisors (1006136945).

80917613551 is a wasteful number, since it uses less digits than its factorization.

80917613551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 80917613551 in words is "eighty billion, nine hundred seventeen million, six hundred thirteen thousand, five hundred fifty-one".