1028792750 has 32 divisors (see below), whose sum is σ = 1931319936. Its totient is φ = 410359200.

The previous prime is 1028792669. The next prime is 1028792761. The reversal of 1028792750 is 572978201.

1028792750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1028792698 and 1028792707.

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, 86144 + ... + 97356.

It is an arithmetic number, because the mean of its divisors is an integer number (60353748).

Almost surely, 2^1028792750 is an apocalyptic number.

1028792750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028792750 is a deficient number, since it is larger than the sum of its proper divisors (902527186).

1028792750 is a wasteful number, since it uses less digits than its factorization.

1028792750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597 (or 11587 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 1028792750 is about 32074.7992978912. The cubic root of 1028792750 is about 1009.5069154752.

The spelling of 1028792750 in words is "one billion, twenty-eight million, seven hundred ninety-two thousand, seven hundred fifty".