1077381888 has 144 divisors (see below), whose sum is σ = 3172745856. Its totient is φ = 321822720.

The previous prime is 1077381883. The next prime is 1077381917. The reversal of 1077381888 is 8881837701.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1077381888.

It is not an unprimeable number, because it can be changed into a prime (1077381883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615831 + ... + 617577.

Almost surely, 2^1077381888 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 1077381888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586372928).

1077381888 is an abundant number, since it is smaller than the sum of its proper divisors (2095363968).

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

1077381888 is a wasteful number, since it uses less digits than its factorization.

1077381888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 51.

The square root of 1077381888 is about 32823.4959746825. The cubic root of 1077381888 is about 1025.1558400369.

The spelling of 1077381888 in words is "one billion, seventy-seven million, three hundred eighty-one thousand, eight hundred eighty-eight".