77041261 has 8 divisors (see below), whose sum is σ = 84130848. Its totient is φ = 69966000.

The previous prime is 77041259. The next prime is 77041273. The reversal of 77041261 is 16214077.

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 77041261 - 2¹ = 77041259 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 (77041201) 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, 9891 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (10516356).

Almost surely, 2^77041261 is an apocalyptic number.

It is an amenable number.

77041261 is a deficient number, since it is larger than the sum of its proper divisors (7089587).

77041261 is a wasteful number, since it uses less digits than its factorization.

77041261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77041261 is about 8777.3151361906. The cubic root of 77041261 is about 425.5080632163.

The spelling of 77041261 in words is "seventy-seven million, forty-one thousand, two hundred sixty-one".