3877477830 has 128 divisors (see below), whose sum is σ = 10934784000. Its totient is φ = 976147200.

The previous prime is 3877477823. The next prime is 3877477831. The reversal of 3877477830 is 387747783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877477831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337521 + ... + 348819.

It is an arithmetic number, because the mean of its divisors is an integer number (85428000).

Almost surely, 2^3877477830 is an apocalyptic number.

3877477830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3877477830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5467392000).

3877477830 is an abundant number, since it is smaller than the sum of its proper divisors (7057306170).

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

3877477830 is a wasteful number, since it uses less digits than its factorization.

3877477830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The square root of 3877477830 is about 62269.3972188586. The cubic root of 3877477830 is about 1571.0250422696.

The spelling of 3877477830 in words is "three billion, eight hundred seventy-seven million, four hundred seventy-seven thousand, eight hundred thirty".