77158397214 has 12 divisors (see below), whose sum is σ = 167176527336. Its totient is φ = 25719465732.

The previous prime is 77158397209. The next prime is 77158397231. The reversal of 77158397214 is 41279385177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2143288794 + ... + 2143288829.

It is an arithmetic number, because the mean of its divisors is an integer number (13931377278).

Almost surely, 2^77158397214 is an apocalyptic number.

77158397214 is an abundant number, since it is smaller than the sum of its proper divisors (90018130122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77158397214 is a wasteful number, since it uses less digits than its factorization.

77158397214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286577631 (or 4286577628 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The spelling of 77158397214 in words is "seventy-seven billion, one hundred fifty-eight million, three hundred ninety-seven thousand, two hundred fourteen".