868629773 has 16 divisors (see below), whose sum is σ = 1022279616. Its totient is φ = 729181440.

The previous prime is 868629763. The next prime is 868629781. The reversal of 868629773 is 377926868.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 868629773 - 2⁶ = 868629709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868629743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33911 + ... + 53732.

It is an arithmetic number, because the mean of its divisors is an integer number (63892476).

Almost surely, 2^868629773 is an apocalyptic number.

It is an amenable number.

868629773 is a deficient number, since it is larger than the sum of its proper divisors (153649843).

868629773 is a wasteful number, since it uses less digits than its factorization.

868629773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87724.

The product of its digits is 6096384, while the sum is 56.

The square root of 868629773 is about 29472.5257316030. The cubic root of 868629773 is about 954.1388298619.

The spelling of 868629773 in words is "eight hundred sixty-eight million, six hundred twenty-nine thousand, seven hundred seventy-three".