61327603633788 has 72 divisors (see below), whose sum is σ = 155181239845632. Its totient is φ = 20421615153312.

The previous prime is 61327603633783. The next prime is 61327603633789. The reversal of 61327603633788 is 88733630672316.

61327603633788 is a `hidden beast` number, since 6 + 13 + 2 + 7 + 603 + 6 + 3 + 3 + 7 + 8 + 8 = 666.

It is a super-2 number, since 2×61327603633788² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61327603633783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241180531 + ... + 241434677.

It is an arithmetic number, because the mean of its divisors is an integer number (2155294997856).

Almost surely, 2^{61327603633788} is an apocalyptic number.

It is an amenable number.

61327603633788 is an abundant number, since it is smaller than the sum of its proper divisors (93853636211844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61327603633788 is a wasteful number, since it uses less digits than its factorization.

61327603633788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260991 (or 260986 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 61327603633788 in words is "sixty-one trillion, three hundred twenty-seven billion, six hundred three million, six hundred thirty-three thousand, seven hundred eighty-eight".