85883331956 has 6 divisors (see below), whose sum is σ = 150295830930. Its totient is φ = 42941665976.

The previous prime is 85883331943. The next prime is 85883331991. The reversal of 85883331956 is 65913338858.

It can be written as a sum of positive squares in only one way, i.e., 45184304356 + 40699027600 = 212566^2 + 201740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85883331895 and 85883331904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10735416491 + ... + 10735416498.

It is an arithmetic number, because the mean of its divisors is an integer number (25049305155).

Almost surely, 2^85883331956 is an apocalyptic number.

It is an amenable number.

85883331956 is a deficient number, since it is larger than the sum of its proper divisors (64412498974).

85883331956 is a wasteful number, since it uses less digits than its factorization.

85883331956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21470832993 (or 21470832991 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 59.

The spelling of 85883331956 in words is "eighty-five billion, eight hundred eighty-three million, three hundred thirty-one thousand, nine hundred fifty-six".