77379061 has 12 divisors (see below), whose sum is σ = 82552032. Its totient is φ = 72392408.

The previous prime is 77379041. The next prime is 77379073. The reversal of 77379061 is 16097377.

It is not a de Polignac number, because 77379061 - 2⁷ = 77378933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77379011) 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, 50046 + ... + 51568.

It is an arithmetic number, because the mean of its divisors is an integer number (6879336).

Almost surely, 2^77379061 is an apocalyptic number.

It is an amenable number.

77379061 is a deficient number, since it is larger than the sum of its proper divisors (5172971).

77379061 is a wasteful number, since it uses less digits than its factorization.

77379061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 77379061 is about 8796.5368753845. The cubic root of 77379061 is about 426.1290596938.

The spelling of 77379061 in words is "seventy-seven million, three hundred seventy-nine thousand, sixty-one".