88049861 has 2 divisors, whose sum is σ = 88049862. Its totient is φ = 88049860.

The previous prime is 88049833. The next prime is 88049879. The reversal of 88049861 is 16894088.

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., 58997761 + 29052100 = 7681^2 + 5390^2 .

It is a cyclic number.

It is not a de Polignac number, because 88049861 - 2¹⁰ = 88048837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88049831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44024930 + 44024931.

It is an arithmetic number, because the mean of its divisors is an integer number (44024931).

Almost surely, 2^88049861 is an apocalyptic number.

It is an amenable number.

88049861 is a deficient number, since it is larger than the sum of its proper divisors (1).

88049861 is an equidigital number, since it uses as much as digits as its factorization.

88049861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 88049861 is about 9383.4887435324. The cubic root of 88049861 is about 444.8800097308.

The spelling of 88049861 in words is "eighty-eight million, forty-nine thousand, eight hundred sixty-one".