77076953 has 2 divisors, whose sum is σ = 77076954. Its totient is φ = 77076952.

The previous prime is 77076919. The next prime is 77076959. The reversal of 77076953 is 35967077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75829264 + 1247689 = 8708^2 + 1117^2 .

It is an emirp because it is prime and its reverse (35967077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77076953 - 2⁸ = 77076697 is a prime.

It is not a weakly prime, because it can be changed into another prime (77076959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38538476 + 38538477.

It is an arithmetic number, because the mean of its divisors is an integer number (38538477).

Almost surely, 2^77076953 is an apocalyptic number.

It is an amenable number.

77076953 is a deficient number, since it is larger than the sum of its proper divisors (1).

77076953 is an equidigital number, since it uses as much as digits as its factorization.

77076953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 77076953 is about 8779.3480965274. The cubic root of 77076953 is about 425.5737634609.

The spelling of 77076953 in words is "seventy-seven million, seventy-six thousand, nine hundred fifty-three".