89521238401 has 9 divisors (see below), whose sum is σ = 104139387201. Its totient is φ = 76730694852.

The previous prime is 89521238347. The next prime is 89521238459. The reversal of 89521238401 is 10483212598.

The square root of 89521238401 is 299201.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 89521238401 - 2¹⁹ = 89520714113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89521238101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2073036 + ... + 2115778.

Almost surely, 2^89521238401 is an apocalyptic number.

89521238401 is the 299201-st square number.

89521238401 is the 149601-st centered octagonal number.

It is an amenable number.

89521238401 is a deficient number, since it is larger than the sum of its proper divisors (14618148800).

89521238401 is an frugal number, since it uses more digits than its factorization.

89521238401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85500 (or 42750 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 89521238401 in words is "eighty-nine billion, five hundred twenty-one million, two hundred thirty-eight thousand, four hundred one".