91477411 has 2 divisors, whose sum is σ = 91477412. Its totient is φ = 91477410.

The previous prime is 91477367. The next prime is 91477427. The reversal of 91477411 is 11477419.

It is a strong prime.

It is an emirp because it is prime and its reverse (11477419) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91477411 is a prime.

It is not a weakly prime, because it can be changed into another prime (91477471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45738705 + 45738706.

It is an arithmetic number, because the mean of its divisors is an integer number (45738706).

Almost surely, 2^91477411 is an apocalyptic number.

91477411 is a deficient number, since it is larger than the sum of its proper divisors (1).

91477411 is an equidigital number, since it uses as much as digits as its factorization.

91477411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 91477411 is about 9564.3824160267. The cubic root of 91477411 is about 450.5793541997.

The spelling of 91477411 in words is "ninety-one million, four hundred seventy-seven thousand, four hundred eleven".