77260087 has 8 divisors (see below), whose sum is σ = 83192400. Its totient is φ = 71481984.

The previous prime is 77260067. The next prime is 77260097. The reversal of 77260087 is 78006277.

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 77260087 - 2²³ = 68871479 is a prime.

It is a super-3 number, since 3×77260087³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77260067) 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, 37512 + ... + 39517.

It is an arithmetic number, because the mean of its divisors is an integer number (10399050).

Almost surely, 2^77260087 is an apocalyptic number.

77260087 is a deficient number, since it is larger than the sum of its proper divisors (5932313).

77260087 is a wasteful number, since it uses less digits than its factorization.

77260087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77105.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 77260087 is about 8789.7717262737. The cubic root of 77260087 is about 425.9105497421.

The spelling of 77260087 in words is "seventy-seven million, two hundred sixty thousand, eighty-seven".