867202313993401 has 9 divisors (see below), whose sum is σ = 881653627903503. Its totient is φ = 852984115718520.

The previous prime is 867202313993399. The next prime is 867202313993413. The reversal of 867202313993401 is 104399313202768.

The square root of 867202313993401 is 29448299.

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

It can be written as a sum of positive squares in only one way, i.e., 28199806501801 + 839002507491600 = 5310349^2 + 28965540^2 .

It is not a de Polignac number, because 867202313993401 - 2¹ = 867202313993399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867202313996401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1796104860 + ... + 1796587618.

Almost surely, 2^{867202313993401} is an apocalyptic number.

867202313993401 is the 29448299-th square number.

867202313993401 is the 14724150-th centered octagonal number.

It is an amenable number.

867202313993401 is a deficient number, since it is larger than the sum of its proper divisors (14451313910102).

867202313993401 is an frugal number, since it uses more digits than its factorization.

867202313993401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965640 (or 482820 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 867202313993401 in words is "eight hundred sixty-seven trillion, two hundred two billion, three hundred thirteen million, nine hundred ninety-three thousand, four hundred one".