868077 has 20 divisors (see below), whose sum is σ = 1482976. Its totient is φ = 495720.

The previous prime is 868073. The next prime is 868081. The reversal of 868077 is 770868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (868073) and next prime (868081).

It is not a de Polignac number, because 868077 - 2² = 868073 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868077.

It is not an unprimeable number, because it can be changed into a prime (868073) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199 + ... + 1332.

2⁸⁶⁸⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

868077 is a deficient number, since it is larger than the sum of its proper divisors (614899).

868077 is a wasteful number, since it uses less digits than its factorization.

868077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 868077 is about 931.7064988504. The cubic root of 868077 is about 95.3936390680.

The spelling of 868077 in words is "eight hundred sixty-eight thousand, seventy-seven".