46771861 has 2 divisors, whose sum is σ = 46771862. Its totient is φ = 46771860.

The previous prime is 46771859. The next prime is 46771873. The reversal of 46771861 is 16817764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 938961 = 6770^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 46771861 - 2¹ = 46771859 is a prime.

Together with 46771859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46771801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23385930 + 23385931.

It is an arithmetic number, because the mean of its divisors is an integer number (23385931).

Almost surely, 2^46771861 is an apocalyptic number.

It is an amenable number.

46771861 is a deficient number, since it is larger than the sum of its proper divisors (1).

46771861 is an equidigital number, since it uses as much as digits as its factorization.

46771861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 46771861 is about 6838.9956133924. The cubic root of 46771861 is about 360.2977500671.

The spelling of 46771861 in words is "forty-six million, seven hundred seventy-one thousand, eight hundred sixty-one".