88634861 has 4 divisors (see below), whose sum is σ = 101296992. Its totient is φ = 75972732.

The previous prime is 88634851. The next prime is 88634881. The reversal of 88634861 is 16843688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88634861 - 2¹⁰ = 88633837 is a prime.

It is a super-2 number, since 2×88634861² = 15712277168978642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88634851) 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, 6331055 + ... + 6331068.

It is an arithmetic number, because the mean of its divisors is an integer number (25324248).

Almost surely, 2^88634861 is an apocalyptic number.

It is an amenable number.

88634861 is a deficient number, since it is larger than the sum of its proper divisors (12662131).

88634861 is a wasteful number, since it uses less digits than its factorization.

88634861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662130.

The product of its digits is 221184, while the sum is 44.

The square root of 88634861 is about 9414.6089138105. The cubic root of 88634861 is about 445.8630911592.

The spelling of 88634861 in words is "eighty-eight million, six hundred thirty-four thousand, eight hundred sixty-one".