76500551 has 2 divisors, whose sum is σ = 76500552. Its totient is φ = 76500550.

The previous prime is 76500503. The next prime is 76500563. The reversal of 76500551 is 15500567.

It is a strong prime.

It is an emirp because it is prime and its reverse (15500567) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76500551 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76503551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38250275 + 38250276.

It is an arithmetic number, because the mean of its divisors is an integer number (38250276).

Almost surely, 2^76500551 is an apocalyptic number.

76500551 is a deficient number, since it is larger than the sum of its proper divisors (1).

76500551 is an equidigital number, since it uses as much as digits as its factorization.

76500551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 76500551 is about 8746.4593407847. The cubic root of 76500551 is about 424.5102566284.

The spelling of 76500551 in words is "seventy-six million, five hundred thousand, five hundred fifty-one".