53886777881 has 8 divisors (see below), whose sum is σ = 54388276800. Its totient is φ = 53385408720.

The previous prime is 53886777863. The next prime is 53886777899. The reversal of 53886777881 is 18877768835.

It is an interprime number because it is at equal distance from previous prime (53886777863) and next prime (53886777899).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53886777881 is a prime.

It is a super-2 number, since 2×53886777881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53886777811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935486 + ... + 991416.

It is an arithmetic number, because the mean of its divisors is an integer number (6798534600).

Almost surely, 2^53886777881 is an apocalyptic number.

It is an amenable number.

53886777881 is a deficient number, since it is larger than the sum of its proper divisors (501498919).

53886777881 is a wasteful number, since it uses less digits than its factorization.

53886777881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64879.

The product of its digits is 126443520, while the sum is 68.

The spelling of 53886777881 in words is "fifty-three billion, eight hundred eighty-six million, seven hundred seventy-seven thousand, eight hundred eighty-one".