864326378101 has 4 divisors (see below), whose sum is σ = 877226771872. Its totient is φ = 851425984332.

The previous prime is 864326378081. The next prime is 864326378119. The reversal of 864326378101 is 101873623468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 864326378101 - 2⁷ = 864326377973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864326378131) 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, 6450196785 + ... + 6450196918.

It is an arithmetic number, because the mean of its divisors is an integer number (219306692968).

Almost surely, 2^864326378101 is an apocalyptic number.

It is an amenable number.

864326378101 is a deficient number, since it is larger than the sum of its proper divisors (12900393771).

864326378101 is a wasteful number, since it uses less digits than its factorization.

864326378101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900393770.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 864326378101 in words is "eight hundred sixty-four billion, three hundred twenty-six million, three hundred seventy-eight thousand, one hundred one".