80134477 has 2 divisors, whose sum is σ = 80134478. Its totient is φ = 80134476.

The previous prime is 80134471. The next prime is 80134501. The reversal of 80134477 is 77443108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 30980356 = 7011^2 + 5566^2 .

It is a cyclic number.

It is not a de Polignac number, because 80134477 - 2³ = 80134469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80134471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40067238 + 40067239.

It is an arithmetic number, because the mean of its divisors is an integer number (40067239).

Almost surely, 2^80134477 is an apocalyptic number.

It is an amenable number.

80134477 is a deficient number, since it is larger than the sum of its proper divisors (1).

80134477 is an equidigital number, since it uses as much as digits as its factorization.

80134477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 80134477 is about 8951.7862463310. The cubic root of 80134477 is about 431.1282377797.

The spelling of 80134477 in words is "eighty million, one hundred thirty-four thousand, four hundred seventy-seven".