76163261 has 2 divisors, whose sum is σ = 76163262. Its totient is φ = 76163260.

The previous prime is 76163257. The next prime is 76163293. The reversal of 76163261 is 16236167.

It is an a-pointer prime, because the next prime (76163293) can be obtained adding 76163261 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 37636 = 8725^2 + 194^2 .

It is an emirp because it is prime and its reverse (16236167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76163261 - 2² = 76163257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76163221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38081630 + 38081631.

It is an arithmetic number, because the mean of its divisors is an integer number (38081631).

Almost surely, 2^76163261 is an apocalyptic number.

It is an amenable number.

76163261 is a deficient number, since it is larger than the sum of its proper divisors (1).

76163261 is an equidigital number, since it uses as much as digits as its factorization.

76163261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 76163261 is about 8727.1565243211. The cubic root of 76163261 is about 423.8854506179.

The spelling of 76163261 in words is "seventy-six million, one hundred sixty-three thousand, two hundred sixty-one".