88180061 has 2 divisors, whose sum is σ = 88180062. Its totient is φ = 88180060.

The previous prime is 88180033. The next prime is 88180063. The reversal of 88180061 is 16008188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87796900 + 383161 = 9370^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 88180061 - 2⁶ = 88179997 is a prime.

It is a Sophie Germain prime.

Together with 88180063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88180063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44090030 + 44090031.

It is an arithmetic number, because the mean of its divisors is an integer number (44090031).

Almost surely, 2^88180061 is an apocalyptic number.

It is an amenable number.

88180061 is a deficient number, since it is larger than the sum of its proper divisors (1).

88180061 is an equidigital number, since it uses as much as digits as its factorization.

88180061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 88180061 is about 9390.4238988450. The cubic root of 88180061 is about 445.0991842208.

The spelling of 88180061 in words is "eighty-eight million, one hundred eighty thousand, sixty-one".