77568023 has 8 divisors (see below), whose sum is σ = 85572816. Its totient is φ = 69854400.

The previous prime is 77567999. The next prime is 77568047. The reversal of 77568023 is 32086577.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77567999) and next prime (77568047).

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 77568023 - 2¹⁶ = 77502487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77568223) 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, 72233 + ... + 73298.

It is an arithmetic number, because the mean of its divisors is an integer number (10696602).

Almost surely, 2^77568023 is an apocalyptic number.

77568023 is a deficient number, since it is larger than the sum of its proper divisors (8004793).

77568023 is a wasteful number, since it uses less digits than its factorization.

77568023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145585.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 77568023 is about 8807.2710302341. The cubic root of 77568023 is about 426.4756510551.

The spelling of 77568023 in words is "seventy-seven million, five hundred sixty-eight thousand, twenty-three".