889961763 has 4 divisors (see below), whose sum is σ = 1186615688. Its totient is φ = 593307840.

The previous prime is 889961759. The next prime is 889961801. The reversal of 889961763 is 367169988.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 889961763 - 2² = 889961759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889961753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148326958 + ... + 148326963.

It is an arithmetic number, because the mean of its divisors is an integer number (296653922).

Almost surely, 2^889961763 is an apocalyptic number.

889961763 is a deficient number, since it is larger than the sum of its proper divisors (296653925).

889961763 is a wasteful number, since it uses less digits than its factorization.

889961763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296653924.

The product of its digits is 3919104, while the sum is 57.

The square root of 889961763 is about 29832.2269198932. The cubic root of 889961763 is about 961.8863960633.

The spelling of 889961763 in words is "eight hundred eighty-nine million, nine hundred sixty-one thousand, seven hundred sixty-three".