46577891 has 2 divisors, whose sum is σ = 46577892. Its totient is φ = 46577890.

The previous prime is 46577887. The next prime is 46577929. The reversal of 46577891 is 19877564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46577891 - 2² = 46577887 is a prime.

It is not a weakly prime, because it can be changed into another prime (46577801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23288945 + 23288946.

It is an arithmetic number, because the mean of its divisors is an integer number (23288946).

Almost surely, 2^46577891 is an apocalyptic number.

46577891 is a deficient number, since it is larger than the sum of its proper divisors (1).

46577891 is an equidigital number, since it uses as much as digits as its factorization.

46577891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 46577891 is about 6824.7997040206. The cubic root of 46577891 is about 359.7989901511.

It can be divided in two parts, 46 and 577891, that multiplied together give a triangular number (26582986 = T₇₂₉₁).

The spelling of 46577891 in words is "forty-six million, five hundred seventy-seven thousand, eight hundred ninety-one".