261077027 has 8 divisors (see below), whose sum is σ = 263953536. Its totient is φ = 258216192.

The previous prime is 261077017. The next prime is 261077039. The reversal of 261077027 is 720770162.

It is a happy number.

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 261077027 - 2¹⁴ = 261060643 is a prime.

It is a super-2 number, since 2×261077027² = 136322428054317458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 261076984 and 261077002.

It is not an unprimeable number, because it can be changed into a prime (261077017) 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, 31283 + ... + 38739.

It is an arithmetic number, because the mean of its divisors is an integer number (32994192).

Almost surely, 2^261077027 is an apocalyptic number.

261077027 is a deficient number, since it is larger than the sum of its proper divisors (2876509).

261077027 is a wasteful number, since it uses less digits than its factorization.

261077027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 261077027 is about 16157.8781713442. The cubic root of 261077027 is about 639.1305144266.

The spelling of 261077027 in words is "two hundred sixty-one million, seventy-seven thousand, twenty-seven".