477880677091 has 2 divisors, whose sum is σ = 477880677092. Its totient is φ = 477880677090.

The previous prime is 477880677049. The next prime is 477880677151. The reversal of 477880677091 is 190776088774.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477880677091 is a prime.

It is a super-2 number, since 2×477880677091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (477880677011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238940338545 + 238940338546.

It is an arithmetic number, because the mean of its divisors is an integer number (238940338546).

Almost surely, 2^477880677091 is an apocalyptic number.

477880677091 is a deficient number, since it is larger than the sum of its proper divisors (1).

477880677091 is an equidigital number, since it uses as much as digits as its factorization.

477880677091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33191424, while the sum is 64.

The spelling of 477880677091 in words is "four hundred seventy-seven billion, eight hundred eighty million, six hundred seventy-seven thousand, ninety-one".