77761552372342 has 8 divisors (see below), whose sum is σ = 117481482001800. Its totient is φ = 38601058371744.

The previous prime is 77761552372337. The next prime is 77761552372351. The reversal of 77761552372342 is 24327325516777.

It is a happy number.

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

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, 139858906867 + ... + 139858907422.

It is an arithmetic number, because the mean of its divisors is an integer number (14685185250225).

Almost surely, 2^{77761552372342} is an apocalyptic number.

77761552372342 is a deficient number, since it is larger than the sum of its proper divisors (39719929629458).

77761552372342 is a wasteful number, since it uses less digits than its factorization.

77761552372342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279717814430.

The product of its digits is 103723200, while the sum is 61.

The spelling of 77761552372342 in words is "seventy-seven trillion, seven hundred sixty-one billion, five hundred fifty-two million, three hundred seventy-two thousand, three hundred forty-two".