80706338251 has 48 divisors (see below), whose sum is σ = 103776261120. Its totient is φ = 61409779200.

The previous prime is 80706338239. The next prime is 80706338263. The reversal of 80706338251 is 15283360708.

It is an interprime number because it is at equal distance from previous prime (80706338239) and next prime (80706338263).

It is not a de Polignac number, because 80706338251 - 2¹⁵ = 80706305483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80706338198 and 80706338207.

It is not an unprimeable number, because it can be changed into a prime (80706338231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19544155 + ... + 19548283.

It is an arithmetic number, because the mean of its divisors is an integer number (2162005440).

Almost surely, 2^80706338251 is an apocalyptic number.

80706338251 is a deficient number, since it is larger than the sum of its proper divisors (23069922869).

80706338251 is a wasteful number, since it uses less digits than its factorization.

80706338251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

Adding to 80706338251 its reverse (15283360708), we get a palindrome (95989698959).

The spelling of 80706338251 in words is "eighty billion, seven hundred six million, three hundred thirty-eight thousand, two hundred fifty-one".