77726348 has 18 divisors (see below), whose sum is σ = 158229036. Its totient is φ = 33311208.

The previous prime is 77726347. The next prime is 77726357. The reversal of 77726348 is 84362777.

It is a junction number, because it is equal to n+sod(n) for n = 77726299 and 77726308.

It is not an unprimeable number, because it can be changed into a prime (77726347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198086 + ... + 198477.

It is an arithmetic number, because the mean of its divisors is an integer number (8790502).

Almost surely, 2^77726348 is an apocalyptic number.

It is an amenable number.

77726348 is an abundant number, since it is smaller than the sum of its proper divisors (80502688).

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

77726348 is a wasteful number, since it uses less digits than its factorization.

77726348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396581 (or 396572 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 77726348 is about 8816.2547603844. The cubic root of 77726348 is about 426.7656153430.

The spelling of 77726348 in words is "seventy-seven million, seven hundred twenty-six thousand, three hundred forty-eight".