46881787 has 2 divisors, whose sum is σ = 46881788. Its totient is φ = 46881786.

The previous prime is 46881763. The next prime is 46881799. The reversal of 46881787 is 78718864.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46881787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46881787.

It is not a weakly prime, because it can be changed into another prime (46881707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23440893 + 23440894.

It is an arithmetic number, because the mean of its divisors is an integer number (23440894).

Almost surely, 2^46881787 is an apocalyptic number.

46881787 is a deficient number, since it is larger than the sum of its proper divisors (1).

46881787 is an equidigital number, since it uses as much as digits as its factorization.

46881787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 49.

The square root of 46881787 is about 6847.0276032743. The cubic root of 46881787 is about 360.5797935999.

The spelling of 46881787 in words is "forty-six million, eight hundred eighty-one thousand, seven hundred eighty-seven".