1072763888 has 20 divisors (see below), whose sum is σ = 2375406000. Its totient is φ = 459755904.

The previous prime is 1072763863. The next prime is 1072763899. The reversal of 1072763888 is 8883672701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789013 + ... + 4789236.

It is an arithmetic number, because the mean of its divisors is an integer number (118770300).

Almost surely, 2^1072763888 is an apocalyptic number.

It is an amenable number.

1072763888 is an abundant number, since it is smaller than the sum of its proper divisors (1302642112).

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

1072763888 is an equidigital number, since it uses as much as digits as its factorization.

1072763888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578264 (or 9578258 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 1072763888 is about 32753.0744816422. The cubic root of 1072763888 is about 1023.6890280904.

The spelling of 1072763888 in words is "one billion, seventy-two million, seven hundred sixty-three thousand, eight hundred eighty-eight".