76665253280531 has 2 divisors, whose sum is σ = 76665253280532. Its totient is φ = 76665253280530.

The previous prime is 76665253280489. The next prime is 76665253280557. The reversal of 76665253280531 is 13508235256667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76665253280531 - 2¹⁴ = 76665253264147 is a prime.

It is a super-2 number, since 2×76665253280531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76665253282531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38332626640265 + 38332626640266.

It is an arithmetic number, because the mean of its divisors is an integer number (38332626640266).

Almost surely, 2^{76665253280531} is an apocalyptic number.

76665253280531 is a deficient number, since it is larger than the sum of its proper divisors (1).

76665253280531 is an equidigital number, since it uses as much as digits as its factorization.

76665253280531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 76665253280531 in words is "seventy-six trillion, six hundred sixty-five billion, two hundred fifty-three million, two hundred eighty thousand, five hundred thirty-one".