77822308942 has 8 divisors (see below), whose sum is σ = 133409672496. Its totient is φ = 33352418112.

The previous prime is 77822308931. The next prime is 77822308957. The reversal of 77822308942 is 24980322877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77822308942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779368163 + ... + 2779368190.

It is an arithmetic number, because the mean of its divisors is an integer number (16676209062).

Almost surely, 2^77822308942 is an apocalyptic number.

77822308942 is a deficient number, since it is larger than the sum of its proper divisors (55587363554).

77822308942 is a wasteful number, since it uses less digits than its factorization.

77822308942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558736362.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 77822308942 in words is "seventy-seven billion, eight hundred twenty-two million, three hundred eight thousand, nine hundred forty-two".