77016145756 has 48 divisors (see below), whose sum is σ = 153447164640. Its totient is φ = 33501009920.

The previous prime is 77016145711. The next prime is 77016145757. The reversal of 77016145756 is 65754161077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77016145757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122881 + ... + 411256.

It is an arithmetic number, because the mean of its divisors is an integer number (3196815930).

Almost surely, 2^77016145756 is an apocalyptic number.

It is an amenable number.

77016145756 is a deficient number, since it is larger than the sum of its proper divisors (76431018884).

77016145756 is a wasteful number, since it uses less digits than its factorization.

77016145756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534294 (or 534292 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 77016145756 in words is "seventy-seven billion, sixteen million, one hundred forty-five thousand, seven hundred fifty-six".