1798868756 has 12 divisors (see below), whose sum is σ = 3148937568. Its totient is φ = 899172312.

The previous prime is 1798868749. The next prime is 1798868761. The reversal of 1798868756 is 6578688971.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1798868692 and 1798868701.

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, 49646 + ... + 77861.

It is an arithmetic number, because the mean of its divisors is an integer number (262411464).

Almost surely, 2^1798868756 is an apocalyptic number.

It is an amenable number.

1798868756 is a deficient number, since it is larger than the sum of its proper divisors (1350068812).

1798868756 is a wasteful number, since it uses less digits than its factorization.

1798868756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131038 (or 131036 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 65.

The square root of 1798868756 is about 42413.0729374800. The cubic root of 1798868756 is about 1216.1855140628.

The spelling of 1798868756 in words is "one billion, seven hundred ninety-eight million, eight hundred sixty-eight thousand, seven hundred fifty-six".