1065977772 has 48 divisors (see below), whose sum is σ = 2530416000. Its totient is φ = 349189632.

The previous prime is 1065977771. The next prime is 1065977777. The reversal of 1065977772 is 2777795601.

It is a super-2 number, since 2×1065977772² = 2272617220796167968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065977771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399868 + ... + 402524.

It is an arithmetic number, because the mean of its divisors is an integer number (52717000).

Almost surely, 2^1065977772 is an apocalyptic number.

1065977772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1065977772 is an abundant number, since it is smaller than the sum of its proper divisors (1464438228).

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

1065977772 is a wasteful number, since it uses less digits than its factorization.

1065977772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 1296540, while the sum is 51.

The square root of 1065977772 is about 32649.3150310998. The cubic root of 1065977772 is about 1021.5259014542.

The spelling of 1065977772 in words is "one billion, sixty-five million, nine hundred seventy-seven thousand, seven hundred seventy-two".