88311621 has 8 divisors (see below), whose sum is σ = 119970720. Its totient is φ = 57763472.

The previous prime is 88311611. The next prime is 88311659. The reversal of 88311621 is 12611388.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88311621 - 2⁶ = 88311557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88311611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277551 + ... + 277868.

It is an arithmetic number, because the mean of its divisors is an integer number (14996340).

Almost surely, 2^88311621 is an apocalyptic number.

It is an amenable number.

88311621 is a deficient number, since it is larger than the sum of its proper divisors (31659099).

88311621 is a wasteful number, since it uses less digits than its factorization.

88311621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555475.

The product of its digits is 2304, while the sum is 30.

The square root of 88311621 is about 9397.4262965984. The cubic root of 88311621 is about 445.3204290641.

The spelling of 88311621 in words is "eighty-eight million, three hundred eleven thousand, six hundred twenty-one".