77830692 has 24 divisors (see below), whose sum is σ = 192288096. Its totient is φ = 24417408.

The previous prime is 77830679. The next prime is 77830703. The reversal of 77830692 is 29603877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190558 + ... + 190965.

It is an arithmetic number, because the mean of its divisors is an integer number (8012004).

Almost surely, 2^77830692 is an apocalyptic number.

It is an amenable number.

77830692 is an abundant number, since it is smaller than the sum of its proper divisors (114457404).

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

77830692 is a wasteful number, since it uses less digits than its factorization.

77830692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381547 (or 381545 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 77830692 is about 8822.1704812365. The cubic root of 77830692 is about 426.9565009337.

The spelling of 77830692 in words is "seventy-seven million, eight hundred thirty thousand, six hundred ninety-two".