72260859855 has 32 divisors (see below), whose sum is σ = 122674176000. Its totient is φ = 36196332032.

The previous prime is 72260859791. The next prime is 72260859857. The reversal of 72260859855 is 55895806227.

It is a cyclic number.

It is not a de Polignac number, because 72260859855 - 2⁶ = 72260859791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72260859795 and 72260859804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72260859857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173655 + ... + 417944.

It is an arithmetic number, because the mean of its divisors is an integer number (3833568000).

Almost surely, 2^72260859855 is an apocalyptic number.

72260859855 is a deficient number, since it is larger than the sum of its proper divisors (50413316145).

72260859855 is a wasteful number, since it uses less digits than its factorization.

72260859855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592103.

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 72260859855 in words is "seventy-two billion, two hundred sixty million, eight hundred fifty-nine thousand, eight hundred fifty-five".