88861061 has 4 divisors (see below), whose sum is σ = 88893324. Its totient is φ = 88828800.

The previous prime is 88861049. The next prime is 88861103. The reversal of 88861061 is 16016888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 43890625 = 6706^2 + 6625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88861061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88861001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11570 + ... + 17651.

It is an arithmetic number, because the mean of its divisors is an integer number (22223331).

Almost surely, 2^88861061 is an apocalyptic number.

It is an amenable number.

88861061 is a deficient number, since it is larger than the sum of its proper divisors (32263).

88861061 is a wasteful number, since it uses less digits than its factorization.

88861061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32262.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 88861061 is about 9426.6145036275. The cubic root of 88861061 is about 446.2420562629.

The spelling of 88861061 in words is "eighty-eight million, eight hundred sixty-one thousand, sixty-one".