79862818901 has 8 divisors (see below), whose sum is σ = 79935125400. Its totient is φ = 79790543872.

The previous prime is 79862818891. The next prime is 79862818907. The reversal of 79862818901 is 10981826897.

It can be written as a sum of positive squares in 4 ways, for example, as 624100 + 79862194801 = 790^2 + 282599^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79862818901 - 2⁶ = 79862818837 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 (79862818907) 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, 10437125 + ... + 10444773.

It is an arithmetic number, because the mean of its divisors is an integer number (9991890675).

Almost surely, 2^79862818901 is an apocalyptic number.

It is an amenable number.

79862818901 is a deficient number, since it is larger than the sum of its proper divisors (72306499).

79862818901 is a wasteful number, since it uses less digits than its factorization.

79862818901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15735.

The product of its (nonzero) digits is 3483648, while the sum is 59.

The spelling of 79862818901 in words is "seventy-nine billion, eight hundred sixty-two million, eight hundred eighteen thousand, nine hundred one".