88620993 has 16 divisors (see below), whose sum is σ = 133142400. Its totient is φ = 58247280.

The previous prime is 88620989. The next prime is 88621021. The reversal of 88620993 is 39902688.

It is not a de Polignac number, because 88620993 - 2² = 88620989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88620923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21198 + ... + 25031.

It is an arithmetic number, because the mean of its divisors is an integer number (8321400).

Almost surely, 2^88620993 is an apocalyptic number.

It is an amenable number.

88620993 is a deficient number, since it is larger than the sum of its proper divisors (44521407).

88620993 is a wasteful number, since it uses less digits than its factorization.

88620993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46309 (or 46303 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 88620993 is about 9413.8723700717. The cubic root of 88620993 is about 445.8398363819.

The spelling of 88620993 in words is "eighty-eight million, six hundred twenty thousand, nine hundred ninety-three".