77752379358 has 80 divisors (see below), whose sum is σ = 187225079184. Its totient is φ = 24028773120.

The previous prime is 77752379323. The next prime is 77752379363. The reversal of 77752379358 is 85397325777.

77752379358 is a `hidden beast` number, since 7 + 7 + 7 + 523 + 79 + 35 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 77752379295 and 77752379304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26173 + ... + 395208.

Almost surely, 2^77752379358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77752379358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93612539592).

77752379358 is an abundant number, since it is smaller than the sum of its proper divisors (109472699826).

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

77752379358 is a wasteful number, since it uses less digits than its factorization.

77752379358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421479 (or 421470 counting only the distinct ones).

The product of its digits is 77792400, while the sum is 63.

The spelling of 77752379358 in words is "seventy-seven billion, seven hundred fifty-two million, three hundred seventy-nine thousand, three hundred fifty-eight".