88649811 has 6 divisors (see below), whose sum is σ = 128049740. Its totient is φ = 59099868.

The previous prime is 88649807. The next prime is 88649833. The reversal of 88649811 is 11894688.

It is not a de Polignac number, because 88649811 - 2² = 88649807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88649881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4924981 + ... + 4924998.

Almost surely, 2^88649811 is an apocalyptic number.

88649811 is a deficient number, since it is larger than the sum of its proper divisors (39399929).

88649811 is a wasteful number, since it uses less digits than its factorization.

88649811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849985 (or 9849982 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 88649811 is about 9415.4028591452. The cubic root of 88649811 is about 445.8881575887. Note that the first 3 decimals are identical.

The spelling of 88649811 in words is "eighty-eight million, six hundred forty-nine thousand, eight hundred eleven".