80951356 has 6 divisors (see below), whose sum is σ = 141664880. Its totient is φ = 40475676.

The previous prime is 80951347. The next prime is 80951359. The reversal of 80951356 is 65315908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80951359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10118916 + ... + 10118923.

Almost surely, 2^80951356 is an apocalyptic number.

It is an amenable number.

80951356 is a deficient number, since it is larger than the sum of its proper divisors (60713524).

80951356 is a wasteful number, since it uses less digits than its factorization.

80951356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20237843 (or 20237841 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 80951356 is about 8997.2971497000. The cubic root of 80951356 is about 432.5882404294.

The spelling of 80951356 in words is "eighty million, nine hundred fifty-one thousand, three hundred fifty-six".