77412602342 has 4 divisors (see below), whose sum is σ = 116118903516. Its totient is φ = 38706301170.

The previous prime is 77412602287. The next prime is 77412602387. The reversal of 77412602342 is 24320621477.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24320621477 = 4127 ⋅5893051.

It is a super-2 number, since 2×77412602342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77412602296 and 77412602305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19353150584 + ... + 19353150587.

It is an arithmetic number, because the mean of its divisors is an integer number (29029725879).

Almost surely, 2^77412602342 is an apocalyptic number.

77412602342 is a deficient number, since it is larger than the sum of its proper divisors (38706301174).

77412602342 is a wasteful number, since it uses less digits than its factorization.

77412602342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38706301173.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 77412602342 in words is "seventy-seven billion, four hundred twelve million, six hundred two thousand, three hundred forty-two".