77730030564651 has 20 divisors (see below), whose sum is σ = 116177027362000. Its totient is φ = 51792441764976.

The previous prime is 77730030564643. The next prime is 77730030564701. The reversal of 77730030564651 is 15646503003777.

77730030564651 is a `hidden beast` number, since 7 + 7 + 73 + 0 + 0 + 3 + 0 + 564 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 77730030564651 - 2³ = 77730030564643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77730030564611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255204376 + ... + 255508773.

It is an arithmetic number, because the mean of its divisors is an integer number (5808851368100).

Almost surely, 2^{77730030564651} is an apocalyptic number.

77730030564651 is a deficient number, since it is larger than the sum of its proper divisors (38446996797349).

77730030564651 is a wasteful number, since it uses less digits than its factorization.

77730030564651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510715040 (or 510715031 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

The spelling of 77730030564651 in words is "seventy-seven trillion, seven hundred thirty billion, thirty million, five hundred sixty-four thousand, six hundred fifty-one".