1077297705 has 64 divisors (see below), whose sum is σ = 2138019840. Its totient is φ = 510148800.

The previous prime is 1077297671. The next prime is 1077297731. The reversal of 1077297705 is 5077927701.

It is not a de Polignac number, because 1077297705 - 2⁷ = 1077297577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55420 + ... + 72290.

It is an arithmetic number, because the mean of its divisors is an integer number (33406560).

Almost surely, 2^1077297705 is an apocalyptic number.

1077297705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1077297705 is a deficient number, since it is larger than the sum of its proper divisors (1060722135).

1077297705 is a wasteful number, since it uses less digits than its factorization.

1077297705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939 (or 16933 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 45.

The square root of 1077297705 is about 32822.2135907985. The cubic root of 1077297705 is about 1025.1291385974.

The spelling of 1077297705 in words is "one billion, seventy-seven million, two hundred ninety-seven thousand, seven hundred five".