1077681957 has 16 divisors (see below), whose sum is σ = 1650040320. Its totient is φ = 618764400.

The previous prime is 1077681947. The next prime is 1077681967. The reversal of 1077681957 is 7591867701.

It is an interprime number because it is at equal distance from previous prime (1077681947) and next prime (1077681967).

It is not a de Polignac number, because 1077681957 - 2¹¹ = 1077679909 is a prime.

It is a super-2 number, since 2×1077681957² = 2322796800886699698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077681907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858769 + ... + 860022.

It is an arithmetic number, because the mean of its divisors is an integer number (103127520).

Almost surely, 2^1077681957 is an apocalyptic number.

It is an amenable number.

1077681957 is a deficient number, since it is larger than the sum of its proper divisors (572358363).

1077681957 is a wasteful number, since it uses less digits than its factorization.

1077681957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718824.

The product of its (nonzero) digits is 740880, while the sum is 51.

The square root of 1077681957 is about 32828.0666046601. The cubic root of 1077681957 is about 1025.2510055911.

The spelling of 1077681957 in words is "one billion, seventy-seven million, six hundred eighty-one thousand, nine hundred fifty-seven".