868650783 has 144 divisors (see below), whose sum is σ = 1673578368. Its totient is φ = 393724800.

The previous prime is 868650781. The next prime is 868650799. The reversal of 868650783 is 387056868.

It is not a de Polignac number, because 868650783 - 2¹ = 868650781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868650781) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20201160 + ... + 20201202.

It is an arithmetic number, because the mean of its divisors is an integer number (11622072).

Almost surely, 2^868650783 is an apocalyptic number.

868650783 is a deficient number, since it is larger than the sum of its proper divisors (804927585).

868650783 is a wasteful number, since it uses less digits than its factorization.

868650783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 868650783 is about 29472.8821631004. The cubic root of 868650783 is about 954.1465225506.

The spelling of 868650783 in words is "eight hundred sixty-eight million, six hundred fifty thousand, seven hundred eighty-three".