86748881 has 4 divisors (see below), whose sum is σ = 89547264. Its totient is φ = 83950500.

The previous prime is 86748869. The next prime is 86748899. The reversal of 86748881 is 18884768.

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 86748881 - 2⁶ = 86748817 is a prime.

It is a super-2 number, since 2×86748881² = 15050736709504322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86748481) 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, 1399145 + ... + 1399206.

It is an arithmetic number, because the mean of its divisors is an integer number (22386816).

Almost surely, 2^86748881 is an apocalyptic number.

It is an amenable number.

86748881 is a deficient number, since it is larger than the sum of its proper divisors (2798383).

86748881 is a wasteful number, since it uses less digits than its factorization.

86748881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798382.

The product of its digits is 688128, while the sum is 50.

The square root of 86748881 is about 9313.9079338374. The cubic root of 86748881 is about 442.6780217240.

The spelling of 86748881 in words is "eighty-six million, seven hundred forty-eight thousand, eight hundred eighty-one".