896431551 has 8 divisors (see below), whose sum is σ = 1196719104. Its totient is φ = 596882520.

The previous prime is 896431513. The next prime is 896431567. The reversal of 896431551 is 155134698.

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

It is not a de Polignac number, because 896431551 - 2¹¹ = 896429503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896431651) 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, 181791 + ... + 186656.

It is an arithmetic number, because the mean of its divisors is an integer number (149589888).

Almost surely, 2^896431551 is an apocalyptic number.

896431551 is a deficient number, since it is larger than the sum of its proper divisors (300287553).

896431551 is a wasteful number, since it uses less digits than its factorization.

896431551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369261.

The product of its digits is 129600, while the sum is 42.

The square root of 896431551 is about 29940.4667799285. The cubic root of 896431551 is about 964.2116575099.

The spelling of 896431551 in words is "eight hundred ninety-six million, four hundred thirty-one thousand, five hundred fifty-one".