80772183061 has 4 divisors (see below), whose sum is σ = 80790658092. Its totient is φ = 80753708032.

The previous prime is 80772183059. The next prime is 80772183103. The reversal of 80772183061 is 16038127708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57250132900 + 23522050161 = 239270^2 + 153369^2 .

It is a cyclic number.

It is not a de Polignac number, because 80772183061 - 2¹ = 80772183059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80772182999 and 80772183017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80772583061) 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, 9230956 + ... + 9239701.

It is an arithmetic number, because the mean of its divisors is an integer number (20197664523).

Almost surely, 2^80772183061 is an apocalyptic number.

It is an amenable number.

80772183061 is a deficient number, since it is larger than the sum of its proper divisors (18475031).

80772183061 is a wasteful number, since it uses less digits than its factorization.

80772183061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475030.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 80772183061 in words is "eighty billion, seven hundred seventy-two million, one hundred eighty-three thousand, sixty-one".