76961393077 has 16 divisors (see below), whose sum is σ = 79131064320. Its totient is φ = 74809627200.

The previous prime is 76961393063. The next prime is 76961393081. The reversal of 76961393077 is 77039316967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76961393077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76961393477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12269452 + ... + 12275722.

It is an arithmetic number, because the mean of its divisors is an integer number (4945691520).

Almost surely, 2^76961393077 is an apocalyptic number.

It is an amenable number.

76961393077 is a deficient number, since it is larger than the sum of its proper divisors (2169671243).

76961393077 is a wasteful number, since it uses less digits than its factorization.

76961393077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644.

The product of its (nonzero) digits is 9001692, while the sum is 58.

The spelling of 76961393077 in words is "seventy-six billion, nine hundred sixty-one million, three hundred ninety-three thousand, seventy-seven".