863078795040 has 1152 divisors, whose sum is σ = 3666681043200. Its totient is φ = 168422768640.

The previous prime is 863078794979. The next prime is 863078795053. The reversal of 863078795040 is 40597870368.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 277605006 + ... + 277608114.

It is an arithmetic number, because the mean of its divisors is an integer number (3182882850).

Almost surely, 2^863078795040 is an apocalyptic number.

863078795040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863078795040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833340521600).

863078795040 is an abundant number, since it is smaller than the sum of its proper divisors (2803602248160).

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

863078795040 is a wasteful number, since it uses less digits than its factorization.

863078795040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 863078795040 in words is "eight hundred sixty-three billion, seventy-eight million, seven hundred ninety-five thousand, forty".