77105050 has 24 divisors (see below), whose sum is σ = 156454272. Its totient is φ = 28038000.

The previous prime is 77105023. The next prime is 77105057. The reversal of 77105050 is 5050177.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77105057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69546 + ... + 70645.

It is an arithmetic number, because the mean of its divisors is an integer number (6518928).

Almost surely, 2^77105050 is an apocalyptic number.

77105050 is an abundant number, since it is smaller than the sum of its proper divisors (79349222).

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

77105050 is a wasteful number, since it uses less digits than its factorization.

77105050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140214 (or 140209 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 77105050 is about 8780.9481264838. The cubic root of 77105050 is about 425.6254689012.

The spelling of 77105050 in words is "seventy-seven million, one hundred five thousand, fifty".