968021077 has 4 divisors (see below), whose sum is σ = 968252940. Its totient is φ = 967789216.

The previous prime is 968021069. The next prime is 968021107. The reversal of 968021077 is 770120869.

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 290668401 + 677352676 = 17049^2 + 26026^2 .

It is a cyclic number.

It is not a de Polignac number, because 968021077 - 2³ = 968021069 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968021477) 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, 109552 + ... + 118057.

It is an arithmetic number, because the mean of its divisors is an integer number (242063235).

Almost surely, 2^968021077 is an apocalyptic number.

It is an amenable number.

968021077 is a deficient number, since it is larger than the sum of its proper divisors (231863).

968021077 is a wasteful number, since it uses less digits than its factorization.

968021077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231862.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 968021077 is about 31113.0370905831. The cubic root of 968021077 is about 989.2246682591.

It can be divided in two parts, 96802 and 1077, that added together give a palindrome (97879).

The spelling of 968021077 in words is "nine hundred sixty-eight million, twenty-one thousand, seventy-seven".