902055881 has 2 divisors, whose sum is σ = 902055882. Its totient is φ = 902055880.

The previous prime is 902055841. The next prime is 902055899. The reversal of 902055881 is 188550209.

902055881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894548281 + 7507600 = 29909^2 + 2740^2 .

It is an emirp because it is prime and its reverse (188550209) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902055881 is a prime.

It is a super-2 number, since 2×902055881² = 1627409624893372322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (902055841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451027940 + 451027941.

It is an arithmetic number, because the mean of its divisors is an integer number (451027941).

Almost surely, 2^902055881 is an apocalyptic number.

It is an amenable number.

902055881 is a deficient number, since it is larger than the sum of its proper divisors (1).

902055881 is an equidigital number, since it uses as much as digits as its factorization.

902055881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 902055881 is about 30034.2451378422. The cubic root of 902055881 is about 966.2239852707.

The spelling of 902055881 in words is "nine hundred two million, fifty-five thousand, eight hundred eighty-one".