80648935971 has 16 divisors (see below), whose sum is σ = 112218881280. Its totient is φ = 51422960160.

The previous prime is 80648935957. The next prime is 80648935973. The reversal of 80648935971 is 17953984608.

It is a de Polignac number, because none of the positive numbers 2^k-80648935971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80648935973) 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, 671145 + ... + 782133.

It is an arithmetic number, because the mean of its divisors is an integer number (7013680080).

Almost surely, 2^80648935971 is an apocalyptic number.

80648935971 is a deficient number, since it is larger than the sum of its proper divisors (31569945309).

80648935971 is a wasteful number, since it uses less digits than its factorization.

80648935971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121546.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 80648935971 in words is "eighty billion, six hundred forty-eight million, nine hundred thirty-five thousand, nine hundred seventy-one".