971231254377 has 8 divisors (see below), whose sum is σ = 1307077576416. Its totient is φ = 641436217632.

The previous prime is 971231254307. The next prime is 971231254381. The reversal of 971231254377 is 773452132179.

971231254377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 971231254377 - 2¹⁶ = 971231188841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971231254307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512820948 + ... + 1512821589.

It is an arithmetic number, because the mean of its divisors is an integer number (163384697052).

Almost surely, 2^971231254377 is an apocalyptic number.

It is an amenable number.

971231254377 is a deficient number, since it is larger than the sum of its proper divisors (335846322039).

971231254377 is a wasteful number, since it uses less digits than its factorization.

971231254377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025642647.

The product of its digits is 2222640, while the sum is 51.

The spelling of 971231254377 in words is "nine hundred seventy-one billion, two hundred thirty-one million, two hundred fifty-four thousand, three hundred seventy-seven".