896470781 has 4 divisors (see below), whose sum is σ = 918335964. Its totient is φ = 874605600.

The previous prime is 896470763. The next prime is 896470789. The reversal of 896470781 is 187074698.

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 336722500 + 559748281 = 18350^2 + 23659^2 .

It is a cyclic number.

It is not a de Polignac number, because 896470781 - 2¹⁴ = 896454397 is a prime.

It is a super-2 number, since 2×896470781² = 1607319722373499922, which contains 22 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 (896470789) 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, 10932530 + ... + 10932611.

It is an arithmetic number, because the mean of its divisors is an integer number (229583991).

Almost surely, 2^896470781 is an apocalyptic number.

It is an amenable number.

896470781 is a deficient number, since it is larger than the sum of its proper divisors (21865183).

896470781 is a wasteful number, since it uses less digits than its factorization.

896470781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865182.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 896470781 is about 29941.1219061678. The cubic root of 896470781 is about 964.2257227116.

The spelling of 896470781 in words is "eight hundred ninety-six million, four hundred seventy thousand, seven hundred eighty-one".