80477374727 has 2 divisors, whose sum is σ = 80477374728. Its totient is φ = 80477374726.

The previous prime is 80477374711. The next prime is 80477374787. The reversal of 80477374727 is 72747377408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80477374727 - 2⁴ = 80477374711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80477374787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40238687363 + 40238687364.

It is an arithmetic number, because the mean of its divisors is an integer number (40238687364).

Almost surely, 2^80477374727 is an apocalyptic number.

80477374727 is a deficient number, since it is larger than the sum of its proper divisors (1).

80477374727 is an equidigital number, since it uses as much as digits as its factorization.

80477374727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12907776, while the sum is 56.

The spelling of 80477374727 in words is "eighty billion, four hundred seventy-seven million, three hundred seventy-four thousand, seven hundred twenty-seven".