76870077 has 4 divisors (see below), whose sum is σ = 102493440. Its totient is φ = 51246716.

The previous prime is 76870061. The next prime is 76870093. The reversal of 76870077 is 77007867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77007867 = 3 ⋅25669289.

It is an interprime number because it is at equal distance from previous prime (76870061) and next prime (76870093).

It is a cyclic number.

It is not a de Polignac number, because 76870077 - 2⁴ = 76870061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76870177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12811677 + ... + 12811682.

It is an arithmetic number, because the mean of its divisors is an integer number (25623360).

Almost surely, 2^76870077 is an apocalyptic number.

It is an amenable number.

76870077 is a deficient number, since it is larger than the sum of its proper divisors (25623363).

76870077 is a wasteful number, since it uses less digits than its factorization.

76870077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25623362.

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 76870077 is about 8767.5582119539. The cubic root of 76870077 is about 425.1926729618.

The spelling of 76870077 in words is "seventy-six million, eight hundred seventy thousand, seventy-seven".