867719940 has 48 divisors (see below), whose sum is σ = 2430933120. Its totient is φ = 231266560.

The previous prime is 867719939. The next prime is 867719947. The reversal of 867719940 is 49917768.

It is not an unprimeable number, because it can be changed into a prime (867719947) 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, 175705 + ... + 180575.

It is an arithmetic number, because the mean of its divisors is an integer number (50644440).

Almost surely, 2^867719940 is an apocalyptic number.

It is an amenable number.

867719940 is an abundant number, since it is smaller than the sum of its proper divisors (1563213180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867719940 is a wasteful number, since it uses less digits than its factorization.

867719940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852 (or 7850 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 867719940 is about 29457.0864139684. The cubic root of 867719940 is about 953.8055807637.

The spelling of 867719940 in words is "eight hundred sixty-seven million, seven hundred nineteen thousand, nine hundred forty".