3728850887 has 2 divisors, whose sum is σ = 3728850888. Its totient is φ = 3728850886.

The previous prime is 3728850803. The next prime is 3728850893. The reversal of 3728850887 is 7880588273.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7880588273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3728850887 - 2¹⁰ = 3728849863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3728850487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864425443 + 1864425444.

It is an arithmetic number, because the mean of its divisors is an integer number (1864425444).

Almost surely, 2^3728850887 is an apocalyptic number.

3728850887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728850887 is an equidigital number, since it uses as much as digits as its factorization.

3728850887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The square root of 3728850887 is about 61064.3176249436. The cubic root of 3728850887 is about 1550.6900690064.

The spelling of 3728850887 in words is "three billion, seven hundred twenty-eight million, eight hundred fifty thousand, eight hundred eighty-seven".