77890362 has 48 divisors (see below), whose sum is σ = 181331136. Its totient is φ = 22211200.

The previous prime is 77890357. The next prime is 77890399. The reversal of 77890362 is 26309877.

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 23 ways as a sum of consecutive naturals, for example, 9187 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (3777732).

Almost surely, 2^77890362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77890362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90665568).

77890362 is an abundant number, since it is smaller than the sum of its proper divisors (103440774).

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

77890362 is a wasteful number, since it uses less digits than its factorization.

77890362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355 (or 6344 counting only the distinct ones).

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

The square root of 77890362 is about 8825.5516541460. The cubic root of 77890362 is about 427.0655838070.

The spelling of 77890362 in words is "seventy-seven million, eight hundred ninety thousand, three hundred sixty-two".