88620641 has 2 divisors, whose sum is σ = 88620642. Its totient is φ = 88620640.

The previous prime is 88620577. The next prime is 88620667. The reversal of 88620641 is 14602688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 10916416 = 8815^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 88620641 - 2⁶ = 88620577 is a prime.

It is a super-2 number, since 2×88620641² = 15707236022501762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88620241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44310320 + 44310321.

It is an arithmetic number, because the mean of its divisors is an integer number (44310321).

Almost surely, 2^88620641 is an apocalyptic number.

It is an amenable number.

88620641 is a deficient number, since it is larger than the sum of its proper divisors (1).

88620641 is an equidigital number, since it uses as much as digits as its factorization.

88620641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 88620641 is about 9413.8536742399. The cubic root of 88620641 is about 445.8392460935.

The spelling of 88620641 in words is "eighty-eight million, six hundred twenty thousand, six hundred forty-one".