77553528063 has 32 divisors (see below), whose sum is σ = 122668888320. Its totient is φ = 43041692160.

The previous prime is 77553528061. The next prime is 77553528067. The reversal of 77553528063 is 36082535577.

It is not a de Polignac number, because 77553528063 - 2¹ = 77553528061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 77553527997 and 77553528015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77553528061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1847373 + ... + 1888886.

It is an arithmetic number, because the mean of its divisors is an integer number (3833402760).

Almost surely, 2^77553528063 is an apocalyptic number.

77553528063 is a deficient number, since it is larger than the sum of its proper divisors (45115360257).

77553528063 is a wasteful number, since it uses less digits than its factorization.

77553528063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736327.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 77553528063 in words is "seventy-seven billion, five hundred fifty-three million, five hundred twenty-eight thousand, sixty-three".