77830025750 has 16 divisors (see below), whose sum is σ = 145697808672. Its totient is φ = 31132010200.

The previous prime is 77830025683. The next prime is 77830025759. The reversal of 77830025750 is 5752003877.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77830025759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155659802 + ... + 155660301.

It is an arithmetic number, because the mean of its divisors is an integer number (9106113042).

Almost surely, 2^77830025750 is an apocalyptic number.

77830025750 is a deficient number, since it is larger than the sum of its proper divisors (67867782922).

77830025750 is a wasteful number, since it uses less digits than its factorization.

77830025750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311320120 (or 311320110 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 77830025750 in words is "seventy-seven billion, eight hundred thirty million, twenty-five thousand, seven hundred fifty".