231877763386380 has 288 divisors, whose sum is σ = 718398603074880. Its totient is φ = 60521673553920.

The previous prime is 231877763386361. The next prime is 231877763386397. The reversal of 231877763386380 is 83683367778132.

231877763386380 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 77 + 76 + 33 + 86 + 380 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 231877763386299 and 231877763386308.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4062514402 + ... + 4062571478.

It is an arithmetic number, because the mean of its divisors is an integer number (2494439594010).

Almost surely, 2^{231877763386380} is an apocalyptic number.

231877763386380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231877763386380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359199301537440).

231877763386380 is an abundant number, since it is smaller than the sum of its proper divisors (486520839688500).

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

231877763386380 is a wasteful number, since it uses less digits than its factorization.

231877763386380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58809 (or 58804 counting only the distinct ones).

The product of its (nonzero) digits is 1024192512, while the sum is 72.

The spelling of 231877763386380 in words is "two hundred thirty-one trillion, eight hundred seventy-seven billion, seven hundred sixty-three million, three hundred eighty-six thousand, three hundred eighty".