80361371625657 has 16 divisors (see below), whose sum is σ = 107288731714752. Its totient is φ = 53504136910400.

The previous prime is 80361371625643. The next prime is 80361371625659. The reversal of 80361371625657 is 75652617316308.

It is a cyclic number.

It is not a de Polignac number, because 80361371625657 - 2¹⁹ = 80361371101369 is a prime.

It is a super-3 number, since 3×80361371625657³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80361371625657.

It is not an unprimeable number, because it can be changed into a prime (80361371625659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43815478 + ... + 45612704.

It is an arithmetic number, because the mean of its divisors is an integer number (6705545732172).

Almost surely, 2^{80361371625657} is an apocalyptic number.

It is an amenable number.

80361371625657 is a deficient number, since it is larger than the sum of its proper divisors (26927360089095).

80361371625657 is a wasteful number, since it uses less digits than its factorization.

80361371625657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816728.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 80361371625657 in words is "eighty trillion, three hundred sixty-one billion, three hundred seventy-one million, six hundred twenty-five thousand, six hundred fifty-seven".