77403219054 has 32 divisors (see below), whose sum is σ = 182628796416. Its totient is φ = 21401811360.

The previous prime is 77403219029. The next prime is 77403219059. The reversal of 77403219054 is 45091230477.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 77403218997 and 77403219015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77403219059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29723437 + ... + 29726040.

It is an arithmetic number, because the mean of its divisors is an integer number (5707149888).

Almost surely, 2^77403219054 is an apocalyptic number.

77403219054 is an abundant number, since it is smaller than the sum of its proper divisors (105225577362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77403219054 is a wasteful number, since it uses less digits than its factorization.

77403219054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59449520.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 77403219054 in words is "seventy-seven billion, four hundred three million, two hundred nineteen thousand, fifty-four".