877625280 has 420 divisors, whose sum is σ = 3636815688. Its totient is φ = 200309760.

The previous prime is 877625279. The next prime is 877625303. The reversal of 877625280 is 82526778.

It is a tau number, because it is divible by the number of its divisors (420).

It is a super-2 number, since 2×877625280² = 1540452264190156800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1269735 + ... + 1270425.

Almost surely, 2^877625280 is an apocalyptic number.

877625280 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 877625280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818407844).

877625280 is an abundant number, since it is smaller than the sum of its proper divisors (2759190408).

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

877625280 is a wasteful number, since it uses less digits than its factorization.

877625280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 877625280 is about 29624.7410115262. The cubic root of 877625280 is about 957.4212039224.

The spelling of 877625280 in words is "eight hundred seventy-seven million, six hundred twenty-five thousand, two hundred eighty".