1077238881 has 48 divisors (see below), whose sum is σ = 1709712576. Its totient is φ = 650861568.

The previous prime is 1077238861. The next prime is 1077238889. The reversal of 1077238881 is 1888327701.

It is not a de Polignac number, because 1077238881 - 2⁶ = 1077238817 is a prime.

It is a super-2 number, since 2×1077238881² = 2320887213476264322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1077238889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479146 + ... + 481388.

It is an arithmetic number, because the mean of its divisors is an integer number (35619012).

Almost surely, 2^1077238881 is an apocalyptic number.

It is an amenable number.

1077238881 is a deficient number, since it is larger than the sum of its proper divisors (632473695).

1077238881 is a wasteful number, since it uses less digits than its factorization.

1077238881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 1077238881 is about 32821.3174781269. The cubic root of 1077238881 is about 1025.1104797829.

The spelling of 1077238881 in words is "one billion, seventy-seven million, two hundred thirty-eight thousand, eight hundred eighty-one".