80776126 has 4 divisors (see below), whose sum is σ = 121164192. Its totient is φ = 40388062.

The previous prime is 80776123. The next prime is 80776141. The reversal of 80776126 is 62167708.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80776123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20194030 + ... + 20194033.

It is an arithmetic number, because the mean of its divisors is an integer number (30291048).

Almost surely, 2^80776126 is an apocalyptic number.

80776126 is a deficient number, since it is larger than the sum of its proper divisors (40388066).

80776126 is a wasteful number, since it uses less digits than its factorization.

80776126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40388065.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 80776126 is about 8987.5539497685. The cubic root of 80776126 is about 432.2758833061.

The spelling of 80776126 in words is "eighty million, seven hundred seventy-six thousand, one hundred twenty-six".