88270621 has 4 divisors (see below), whose sum is σ = 88397244. Its totient is φ = 88144000.

The previous prime is 88270597. The next prime is 88270627. The reversal of 88270621 is 12607288.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32604100 + 55666521 = 5710^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 88270621 - 2¹⁷ = 88139549 is a prime.

It is a super-3 number, since 3×88270621³ (a number of 25 digits) contains 333 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 (88270627) 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, 62260 + ... + 63661.

It is an arithmetic number, because the mean of its divisors is an integer number (22099311).

Almost surely, 2^88270621 is an apocalyptic number.

It is an amenable number.

88270621 is a deficient number, since it is larger than the sum of its proper divisors (126623).

88270621 is a wasteful number, since it uses less digits than its factorization.

88270621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126622.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 88270621 is about 9395.2445950066. The cubic root of 88270621 is about 445.2515028245.

The spelling of 88270621 in words is "eighty-eight million, two hundred seventy thousand, six hundred twenty-one".