77844094 has 8 divisors (see below), whose sum is σ = 117837720. Its totient is φ = 38564856.

The previous prime is 77844077. The next prime is 77844097. The reversal of 77844094 is 49044877.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 77844094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77844097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178324 + ... + 178759.

It is an arithmetic number, because the mean of its divisors is an integer number (14729715).

Almost surely, 2^77844094 is an apocalyptic number.

77844094 is a deficient number, since it is larger than the sum of its proper divisors (39993626).

77844094 is a wasteful number, since it uses less digits than its factorization.

77844094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357194.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 77844094 is about 8822.9300121898. The cubic root of 77844094 is about 426.9810060163.

The spelling of 77844094 in words is "seventy-seven million, eight hundred forty-four thousand, ninety-four".