46780891 has 4 divisors (see below), whose sum is σ = 48289984. Its totient is φ = 45271800.

The previous prime is 46780879. The next prime is 46780949. The reversal of 46780891 is 19808764.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46780891 - 2⁵ = 46780859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46780801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754500 + ... + 754561.

It is an arithmetic number, because the mean of its divisors is an integer number (12072496).

Almost surely, 2^46780891 is an apocalyptic number.

46780891 is a deficient number, since it is larger than the sum of its proper divisors (1509093).

46780891 is a wasteful number, since it uses less digits than its factorization.

46780891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509092.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 46780891 is about 6839.6557661917. The cubic root of 46780891 is about 360.3209355128.

The spelling of 46780891 in words is "forty-six million, seven hundred eighty thousand, eight hundred ninety-one".