84962881 has 2 divisors, whose sum is σ = 84962882. Its totient is φ = 84962880.

The previous prime is 84962861. The next prime is 84962903. The reversal of 84962881 is 18826948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 46656 = 9215^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 84962881 - 2⁵ = 84962849 is a prime.

It is a super-2 number, since 2×84962881² = 14437382295640322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84962861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42481440 + 42481441.

It is an arithmetic number, because the mean of its divisors is an integer number (42481441).

Almost surely, 2^84962881 is an apocalyptic number.

It is an amenable number.

84962881 is a deficient number, since it is larger than the sum of its proper divisors (1).

84962881 is an equidigital number, since it uses as much as digits as its factorization.

84962881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 46.

The square root of 84962881 is about 9217.5311770560. The cubic root of 84962881 is about 439.6189555753.

The spelling of 84962881 in words is "eighty-four million, nine hundred sixty-two thousand, eight hundred eighty-one".