76950999551 has 2 divisors, whose sum is σ = 76950999552. Its totient is φ = 76950999550.

The previous prime is 76950999539. The next prime is 76950999577. The reversal of 76950999551 is 15599905967.

It is a weak prime.

It is an emirp because it is prime and its reverse (15599905967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76950999551 - 2⁶ = 76950999487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76950992551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38475499775 + 38475499776.

It is an arithmetic number, because the mean of its divisors is an integer number (38475499776).

Almost surely, 2^76950999551 is an apocalyptic number.

76950999551 is a deficient number, since it is larger than the sum of its proper divisors (1).

76950999551 is an equidigital number, since it uses as much as digits as its factorization.

76950999551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34445250, while the sum is 65.

The spelling of 76950999551 in words is "seventy-six billion, nine hundred fifty million, nine hundred ninety-nine thousand, five hundred fifty-one".