76475881 has 2 divisors, whose sum is σ = 76475882. Its totient is φ = 76475880.

The previous prime is 76475879. The next prime is 76475921. The reversal of 76475881 is 18857467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 2859481 = 8580^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 76475881 - 2¹ = 76475879 is a prime.

It is a super-2 number, since 2×76475881² = 11697120749452322, which contains 22 as substring.

Together with 76475879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76475821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38237940 + 38237941.

It is an arithmetic number, because the mean of its divisors is an integer number (38237941).

Almost surely, 2^76475881 is an apocalyptic number.

It is an amenable number.

76475881 is a deficient number, since it is larger than the sum of its proper divisors (1).

76475881 is an equidigital number, since it uses as much as digits as its factorization.

76475881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The square root of 76475881 is about 8745.0489421158. The cubic root of 76475881 is about 424.4646195106.

The spelling of 76475881 in words is "seventy-six million, four hundred seventy-five thousand, eight hundred eighty-one".