77007692393 has 4 divisors (see below), whose sum is σ = 77208757248. Its totient is φ = 76806627540.

The previous prime is 77007692389. The next prime is 77007692473. The reversal of 77007692393 is 39329670077.

It is a happy number.

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: 39329670077 = 47 ⋅836801491.

It is a cyclic number.

It is not a de Polignac number, because 77007692393 - 2² = 77007692389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77007692323) 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, 100531853 + ... + 100532618.

It is an arithmetic number, because the mean of its divisors is an integer number (19302189312).

Almost surely, 2^77007692393 is an apocalyptic number.

It is an amenable number.

77007692393 is a deficient number, since it is larger than the sum of its proper divisors (201064855).

77007692393 is a wasteful number, since it uses less digits than its factorization.

77007692393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201064854.

The product of its (nonzero) digits is 3000564, while the sum is 53.

The spelling of 77007692393 in words is "seventy-seven billion, seven million, six hundred ninety-two thousand, three hundred ninety-three".