897030782 has 4 divisors (see below), whose sum is σ = 1345546176. Its totient is φ = 448515390.

The previous prime is 897030763. The next prime is 897030791. The reversal of 897030782 is 287030798.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224257694 + ... + 224257697.

It is an arithmetic number, because the mean of its divisors is an integer number (336386544).

Almost surely, 2^897030782 is an apocalyptic number.

897030782 is a deficient number, since it is larger than the sum of its proper divisors (448515394).

897030782 is a wasteful number, since it uses less digits than its factorization.

897030782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448515393.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 897030782 is about 29950.4721498677. The cubic root of 897030782 is about 964.4264561451.

The spelling of 897030782 in words is "eight hundred ninety-seven million, thirty thousand, seven hundred eighty-two".