77545010307 has 4 divisors (see below), whose sum is σ = 103393347080. Its totient is φ = 51696673536.

The previous prime is 77545010303. The next prime is 77545010341. The reversal of 77545010307 is 70301054577.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 77545010307 - 2² = 77545010303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77545010303) 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, 12924168382 + ... + 12924168387.

It is an arithmetic number, because the mean of its divisors is an integer number (25848336770).

Almost surely, 2^77545010307 is an apocalyptic number.

77545010307 is a deficient number, since it is larger than the sum of its proper divisors (25848336773).

77545010307 is a wasteful number, since it uses less digits than its factorization.

77545010307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25848336772.

The product of its (nonzero) digits is 102900, while the sum is 39.

The spelling of 77545010307 in words is "seventy-seven billion, five hundred forty-five million, ten thousand, three hundred seven".