88577820161 has 2 divisors, whose sum is σ = 88577820162. Its totient is φ = 88577820160.

The previous prime is 88577820151. The next prime is 88577820239. The reversal of 88577820161 is 16102877588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87427253761 + 1150566400 = 295681^2 + 33920^2 .

It is a cyclic number.

It is not a de Polignac number, because 88577820161 - 2¹⁴ = 88577803777 is a prime.

It is a super-4 number, since 4×88577820161⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (88577820151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44288910080 + 44288910081.

It is an arithmetic number, because the mean of its divisors is an integer number (44288910081).

Almost surely, 2^88577820161 is an apocalyptic number.

It is an amenable number.

88577820161 is a deficient number, since it is larger than the sum of its proper divisors (1).

88577820161 is an equidigital number, since it uses as much as digits as its factorization.

88577820161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 53.

The spelling of 88577820161 in words is "eighty-eight billion, five hundred seventy-seven million, eight hundred twenty thousand, one hundred sixty-one".