1077509888 has 144 divisors (see below), whose sum is σ = 2763618816. Its totient is φ = 407531520.

The previous prime is 1077509887. The next prime is 1077509899. The reversal of 1077509888 is 8889057701.

It is a happy number.

It is a super-2 number, since 2×1077509888² = 2322055117475545088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077509887) 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, 534803 + ... + 536813.

Almost surely, 2^1077509888 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 1077509888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381809408).

1077509888 is an abundant number, since it is smaller than the sum of its proper divisors (1686108928).

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

1077509888 is a wasteful number, since it uses less digits than its factorization.

1077509888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 53.

The square root of 1077509888 is about 32825.4457395478. The cubic root of 1077509888 is about 1025.1964368308.

The spelling of 1077509888 in words is "one billion, seventy-seven million, five hundred nine thousand, eight hundred eighty-eight".