1992258755 has 8 divisors (see below), whose sum is σ = 2390954112. Its totient is φ = 1593644608.

The previous prime is 1992258707. The next prime is 1992258761. The reversal of 1992258755 is 5578522991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1992258755 - 2⁶ = 1992258691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1992258697 and 1992258706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71039 + ... + 95031.

It is an arithmetic number, because the mean of its divisors is an integer number (298869264).

Almost surely, 2^1992258755 is an apocalyptic number.

1992258755 is a deficient number, since it is larger than the sum of its proper divisors (398695357).

1992258755 is a wasteful number, since it uses less digits than its factorization.

1992258755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40605.

The product of its digits is 2268000, while the sum is 53.

The square root of 1992258755 is about 44634.7258869146. The cubic root of 1992258755 is about 1258.2933884761.

The spelling of 1992258755 in words is "one billion, nine hundred ninety-two million, two hundred fifty-eight thousand, seven hundred fifty-five".