80294777 has 2 divisors, whose sum is σ = 80294778. Its totient is φ = 80294776.

The previous prime is 80294737. The next prime is 80294807. The reversal of 80294777 is 77749208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 5973136 = 8621^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 80294777 - 2⁶ = 80294713 is a prime.

It is not a weakly prime, because it can be changed into another prime (80294737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40147388 + 40147389.

It is an arithmetic number, because the mean of its divisors is an integer number (40147389).

Almost surely, 2^80294777 is an apocalyptic number.

It is an amenable number.

80294777 is a deficient number, since it is larger than the sum of its proper divisors (1).

80294777 is an equidigital number, since it uses as much as digits as its factorization.

80294777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 80294777 is about 8960.7352934901. The cubic root of 80294777 is about 431.4155208073.

The spelling of 80294777 in words is "eighty million, two hundred ninety-four thousand, seven hundred seventy-seven".