83627621 has 8 divisors (see below), whose sum is σ = 104263104. Its totient is φ = 65164320.

The previous prime is 83627581. The next prime is 83627623. The reversal of 83627621 is 12672638.

It is a happy number.

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 83627621 - 2²² = 79433317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83627623) 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, 542960 + ... + 543113.

It is an arithmetic number, because the mean of its divisors is an integer number (13032888).

Almost surely, 2^83627621 is an apocalyptic number.

It is an amenable number.

83627621 is a deficient number, since it is larger than the sum of its proper divisors (20635483).

83627621 is a wasteful number, since it uses less digits than its factorization.

83627621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086091.

The product of its digits is 24192, while the sum is 35.

The square root of 83627621 is about 9144.8138854763. The cubic root of 83627621 is about 437.3037962129.

It can be divided in two parts, 83627 and 621, that added together give a palindrome (84248).

The spelling of 83627621 in words is "eighty-three million, six hundred twenty-seven thousand, six hundred twenty-one".