77061107 has 4 divisors (see below), whose sum is σ = 77079600. Its totient is φ = 77042616.

The previous prime is 77061097. The next prime is 77061137. The reversal of 77061107 is 70116077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70116077 = 4637 ⋅15121.

It is a cyclic number.

It is not a de Polignac number, because 77061107 - 2⁶ = 77061043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77061107.

It is not an unprimeable number, because it can be changed into a prime (77061137) 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, 269 + ... + 12417.

It is an arithmetic number, because the mean of its divisors is an integer number (19269900).

Almost surely, 2^77061107 is an apocalyptic number.

77061107 is a deficient number, since it is larger than the sum of its proper divisors (18493).

77061107 is a wasteful number, since it uses less digits than its factorization.

77061107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18492.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 77061107 is about 8778.4455913334. The cubic root of 77061107 is about 425.5445973536.

The spelling of 77061107 in words is "seventy-seven million, sixty-one thousand, one hundred seven".