60805809902 has 4 divisors (see below), whose sum is σ = 91208714856. Its totient is φ = 30402904950.

The previous prime is 60805809901. The next prime is 60805809913. The reversal of 60805809902 is 20990850806.

60805809902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×60805809902² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60805809901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201452474 + ... + 15201452477.

It is an arithmetic number, because the mean of its divisors is an integer number (22802178714).

Almost surely, 2^60805809902 is an apocalyptic number.

60805809902 is a deficient number, since it is larger than the sum of its proper divisors (30402904954).

60805809902 is a wasteful number, since it uses less digits than its factorization.

60805809902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402904953.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 60805809902 in words is "sixty billion, eight hundred five million, eight hundred nine thousand, nine hundred two".