77027345 has 16 divisors (see below), whose sum is σ = 97206912. Its totient is φ = 58481280.

The previous prime is 77027339. The next prime is 77027351. The reversal of 77027345 is 54372077.

It is an interprime number because it is at equal distance from previous prime (77027339) and next prime (77027351).

It is not a de Polignac number, because 77027345 - 2²⁰ = 75978769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12509 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (6075432).

Almost surely, 2^77027345 is an apocalyptic number.

It is an amenable number.

77027345 is a deficient number, since it is larger than the sum of its proper divisors (20179567).

77027345 is a wasteful number, since it uses less digits than its factorization.

77027345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 77027345 is about 8776.5223750641. The cubic root of 77027345 is about 425.4824417650.

The spelling of 77027345 in words is "seventy-seven million, twenty-seven thousand, three hundred forty-five".