80657379603 has 24 divisors (see below), whose sum is σ = 120329438112. Its totient is φ = 52034306688.

The previous prime is 80657379577. The next prime is 80657379653. The reversal of 80657379603 is 30697375608.

80657379603 is a `hidden beast` number, since 8 + 0 + 6 + 573 + 7 + 9 + 60 + 3 = 666.

It is not a de Polignac number, because 80657379603 - 2⁵ = 80657379571 is a prime.

It is a super-2 number, since 2×80657379603² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80657379603.

It is not an unprimeable number, because it can be changed into a prime (80657379653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1123351 + ... + 1192992.

It is an arithmetic number, because the mean of its divisors is an integer number (5013726588).

Almost surely, 2^80657379603 is an apocalyptic number.

80657379603 is a deficient number, since it is larger than the sum of its proper divisors (39672058509).

80657379603 is a wasteful number, since it uses less digits than its factorization.

80657379603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316475 (or 2316472 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 80657379603 in words is "eighty billion, six hundred fifty-seven million, three hundred seventy-nine thousand, six hundred three".