877991063040 has 3600 divisors, whose sum is σ = 4366814693472. Its totient is φ = 166769197056.

The previous prime is 877991063009. The next prime is 877991063051. The reversal of 877991063040 is 40360199778.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 38173524469 + ... + 38173524491.

Almost surely, 2^877991063040 is an apocalyptic number.

877991063040 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 877991063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183407346736).

877991063040 is an abundant number, since it is smaller than the sum of its proper divisors (3488823630432).

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

877991063040 is a wasteful number, since it uses less digits than its factorization.

877991063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 877991063040 in words is "eight hundred seventy-seven billion, nine hundred ninety-one million, sixty-three thousand, forty".