77067093 has 4 divisors (see below), whose sum is σ = 102756128. Its totient is φ = 51378060.

The previous prime is 77067091. The next prime is 77067101. The reversal of 77067093 is 39076077.

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: 39076077 = 3 ⋅13025359.

It is not a de Polignac number, because 77067093 - 2¹ = 77067091 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 (77067091) 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, 12844513 + ... + 12844518.

It is an arithmetic number, because the mean of its divisors is an integer number (25689032).

Almost surely, 2^77067093 is an apocalyptic number.

It is an amenable number.

77067093 is a deficient number, since it is larger than the sum of its proper divisors (25689035).

77067093 is a wasteful number, since it uses less digits than its factorization.

77067093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25689034.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 77067093 is about 8778.7865334567. The cubic root of 77067093 is about 425.5556156398. Note that the first 3 decimals are identical.

The spelling of 77067093 in words is "seventy-seven million, sixty-seven thousand, ninety-three".