877399900 has 72 divisors (see below), whose sum is σ = 2055656624. Its totient is φ = 323136000.

The previous prime is 877399871. The next prime is 877399909. The reversal of 877399900 is 9993778.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877399909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780739 + ... + 781861.

Almost surely, 2^877399900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877399900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027828312).

877399900 is an abundant number, since it is smaller than the sum of its proper divisors (1178256724).

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

877399900 is a wasteful number, since it uses less digits than its factorization.

877399900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 877399900 is about 29620.9368521659. The cubic root of 877399900 is about 957.3392395312.

The spelling of 877399900 in words is "eight hundred seventy-seven million, three hundred ninety-nine thousand, nine hundred".