77830026 has 64 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 23647680.

The previous prime is 77830021. The next prime is 77830037. The reversal of 77830026 is 62003877.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77830021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253365 + ... + 253671.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^77830026 is an apocalyptic number.

77830026 is an abundant number, since it is smaller than the sum of its proper divisors (92481654).

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

77830026 is a wasteful number, since it uses less digits than its factorization.

77830026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 77830026 is about 8822.1327353424. The cubic root of 77830026 is about 426.9552831029.

The spelling of 77830026 in words is "seventy-seven million, eight hundred thirty thousand, twenty-six".