7777085061 has 8 divisors (see below), whose sum is σ = 10369906560. Its totient is φ = 5184493472.

The previous prime is 7777085011. The next prime is 7777085117. The reversal of 7777085061 is 1605807777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7777085061 - 2⁷ = 7777084933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7777085061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7777085011) 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, 50356 + ... + 134498.

It is an arithmetic number, because the mean of its divisors is an integer number (1296238320).

Almost surely, 2^7777085061 is an apocalyptic number.

It is an amenable number.

7777085061 is a deficient number, since it is larger than the sum of its proper divisors (2592821499).

7777085061 is a wasteful number, since it uses less digits than its factorization.

7777085061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114955.

The product of its (nonzero) digits is 576240, while the sum is 48.

The square root of 7777085061 is about 88187.7829463923. The cubic root of 7777085061 is about 1981.2484950633.

The spelling of 7777085061 in words is "seven billion, seven hundred seventy-seven million, eighty-five thousand, sixty-one".