77256152067 has 8 divisors (see below), whose sum is σ = 103009849024. Its totient is φ = 51503278248.

The previous prime is 77256152041. The next prime is 77256152093. The reversal of 77256152067 is 76025165277.

It is an interprime number because it is at equal distance from previous prime (77256152041) and next prime (77256152093).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77256152067 - 2²⁷ = 77121934339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77256152867) 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, 63588 + ... + 398190.

It is an arithmetic number, because the mean of its divisors is an integer number (12876231128).

Almost surely, 2^77256152067 is an apocalyptic number.

77256152067 is a deficient number, since it is larger than the sum of its proper divisors (25753696957).

77256152067 is a wasteful number, since it uses less digits than its factorization.

77256152067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411569.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 77256152067 in words is "seventy-seven billion, two hundred fifty-six million, one hundred fifty-two thousand, sixty-seven".