77396147139 has 8 divisors (see below), whose sum is σ = 105141935952. Its totient is φ = 50623894880.

The previous prime is 77396147099. The next prime is 77396147201. The reversal of 77396147139 is 93174169377.

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 77396147139 - 2²⁹ = 76859276227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77396137139) 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, 243383952 + ... + 243384269.

It is an arithmetic number, because the mean of its divisors is an integer number (13142741994).

Almost surely, 2^77396147139 is an apocalyptic number.

77396147139 is a deficient number, since it is larger than the sum of its proper divisors (27745788813).

77396147139 is a wasteful number, since it uses less digits than its factorization.

77396147139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486768277.

The product of its digits is 6001128, while the sum is 57.

The spelling of 77396147139 in words is "seventy-seven billion, three hundred ninety-six million, one hundred forty-seven thousand, one hundred thirty-nine".