1077616261 has 8 divisors (see below), whose sum is σ = 1084671224. Its totient is φ = 1070573760.

The previous prime is 1077616259. The next prime is 1077616273. The reversal of 1077616261 is 1626167701.

It can be written as a sum of positive squares in 4 ways, for example, as 104550625 + 973065636 = 10225^2 + 31194^2 .

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 1077616261 - 2¹ = 1077616259 is a prime.

It is a super-2 number, since 2×1077616261² = 2322513611943240242, which contains 22 as substring.

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 1077616261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077626261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221491 + ... + 226303.

It is an arithmetic number, because the mean of its divisors is an integer number (135583903).

Almost surely, 2^1077616261 is an apocalyptic number.

It is an amenable number.

1077616261 is a deficient number, since it is larger than the sum of its proper divisors (7054963).

1077616261 is a wasteful number, since it uses less digits than its factorization.

1077616261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1077616261 is about 32827.0659822044. The cubic root of 1077616261 is about 1025.2301719063.

The spelling of 1077616261 in words is "one billion, seventy-seven million, six hundred sixteen thousand, two hundred sixty-one".