48764683868661 has 20 divisors (see below), whose sum is σ = 72976792084812. Its totient is φ = 32451423346368.

The previous prime is 48764683868657. The next prime is 48764683868707. The reversal of 48764683868661 is 16686838646784.

48764683868661 is a `hidden beast` number, since 4 + 8 + 7 + 6 + 468 + 38 + 68 + 6 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3615436044900 + 45149247823761 = 1901430^2 + 6719319^2 .

It is not a de Polignac number, because 48764683868661 - 2² = 48764683868657 is a prime.

It is a super-3 number, since 3×48764683868661³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48764683861661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 540379600 + ... + 540469833.

Almost surely, 2^{48764683868661} is an apocalyptic number.

It is an amenable number.

48764683868661 is a deficient number, since it is larger than the sum of its proper divisors (24212108216151).

48764683868661 is a wasteful number, since it uses less digits than its factorization.

48764683868661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080850002 (or 1080849993 counting only the distinct ones).

The product of its digits is 10701766656, while the sum is 81.

The spelling of 48764683868661 in words is "forty-eight trillion, seven hundred sixty-four billion, six hundred eighty-three million, eight hundred sixty-eight thousand, six hundred sixty-one".