88877881 has 2 divisors, whose sum is σ = 88877882. Its totient is φ = 88877880.

The previous prime is 88877807. The next prime is 88877897. The reversal of 88877881 is 18877888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 35295481 = 7320^2 + 5941^2 .

It is a cyclic number.

It is not a de Polignac number, because 88877881 - 2⁷ = 88877753 is a prime.

It is a super-2 number, since 2×88877881² = 15798555462100322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88872881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44438940 + 44438941.

It is an arithmetic number, because the mean of its divisors is an integer number (44438941).

Almost surely, 2^88877881 is an apocalyptic number.

It is an amenable number.

88877881 is a deficient number, since it is larger than the sum of its proper divisors (1).

88877881 is an equidigital number, since it uses as much as digits as its factorization.

88877881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1605632, while the sum is 55.

The square root of 88877881 is about 9427.5066162798. The cubic root of 88877881 is about 446.2702100188.

It can be divided in two parts, 88 and 877881, that added together give a square (877969 = 937²).

The spelling of 88877881 in words is "eighty-eight million, eight hundred seventy-seven thousand, eight hundred eighty-one".