85973276944 has 15 divisors (see below), whose sum is σ = 166575496503. Its totient is φ = 42986052048.

The previous prime is 85973276941. The next prime is 85973276993. The reversal of 85973276944 is 44967237958.

The square root of 85973276944 is 293212.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85973276941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1136197 + ... + 1209499.

Almost surely, 2^85973276944 is an apocalyptic number.

85973276944 is the 293212-nd square number.

It is an amenable number.

85973276944 is a deficient number, since it is larger than the sum of its proper divisors (80602219559).

85973276944 is an frugal number, since it uses more digits than its factorization.

85973276944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146614 (or 73305 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

Multiplying 85973276944 by its sum of digits (64), we get a square (5502289724416 = 2345696²).

The spelling of 85973276944 in words is "eighty-five billion, nine hundred seventy-three million, two hundred seventy-six thousand, nine hundred forty-four".