77757300216554 has 16 divisors (see below), whose sum is σ = 133537543550208. Its totient is φ = 33264728583792.

The previous prime is 77757300216511. The next prime is 77757300216559. The reversal of 77757300216554 is 45561200375777.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77757300216493 and 77757300216502.

It is not an unprimeable number, because it can be changed into a prime (77757300216559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985712914 + ... + 4985728509.

It is an arithmetic number, because the mean of its divisors is an integer number (8346096471888).

Almost surely, 2^{77757300216554} is an apocalyptic number.

77757300216554 is a deficient number, since it is larger than the sum of its proper divisors (55780243333654).

77757300216554 is a wasteful number, since it uses less digits than its factorization.

77757300216554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971441989.

The product of its (nonzero) digits is 43218000, while the sum is 59.

The spelling of 77757300216554 in words is "seventy-seven trillion, seven hundred fifty-seven billion, three hundred million, two hundred sixteen thousand, five hundred fifty-four".