1011778670 has 32 divisors (see below), whose sum is σ = 2082483648. Its totient is φ = 346710528.

The previous prime is 1011778661. The next prime is 1011778693. The reversal of 1011778670 is 768771101.

1011778670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222944 + ... + 227436.

It is an arithmetic number, because the mean of its divisors is an integer number (65077614).

Almost surely, 2^1011778670 is an apocalyptic number.

1011778670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011778670 is an abundant number, since it is smaller than the sum of its proper divisors (1070704978).

1011778670 is a wasteful number, since it uses less digits than its factorization.

1011778670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724.

The product of its (nonzero) digits is 16464, while the sum is 38.

The square root of 1011778670 is about 31808.4685264789. The cubic root of 1011778670 is about 1003.9109081911.

It can be divided in two parts, 101 and 1778670, that added together give a palindrome (1778771).

The spelling of 1011778670 in words is "one billion, eleven million, seven hundred seventy-eight thousand, six hundred seventy".