77429745654 has 8 divisors (see below), whose sum is σ = 154859491320. Its totient is φ = 25809915216.

The previous prime is 77429745643. The next prime is 77429745667. The reversal of 77429745654 is 45654792477.

It is a sphenic number, since it is the product of 3 distinct primes.

77429745654 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452478799 + ... + 6452478810.

It is an arithmetic number, because the mean of its divisors is an integer number (19357436415).

Almost surely, 2^77429745654 is an apocalyptic number.

77429745654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77429745654 is a wasteful number, since it uses less digits than its factorization.

77429745654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904957614.

The product of its digits is 59270400, while the sum is 60.

The spelling of 77429745654 in words is "seventy-seven billion, four hundred twenty-nine million, seven hundred forty-five thousand, six hundred fifty-four".