77840200150542 has 32 divisors (see below), whose sum is σ = 174123773717760. Its totient is φ = 25774900709400.

The previous prime is 77840200150477. The next prime is 77840200150597. The reversal of 77840200150542 is 24505100204877.

77840200150542 is a `hidden beast` number, since 7 + 7 + 84 + 0 + 20 + 0 + 1 + 5 + 0 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773121608 + ... + 4773137915.

It is an arithmetic number, because the mean of its divisors is an integer number (5441367928680).

Almost surely, 2^{77840200150542} is an apocalyptic number.

77840200150542 is an abundant number, since it is smaller than the sum of its proper divisors (96283573567218).

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

77840200150542 is a wasteful number, since it uses less digits than its factorization.

77840200150542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546259685 (or 9546259679 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 77840200150542 in words is "seventy-seven trillion, eight hundred forty billion, two hundred million, one hundred fifty thousand, five hundred forty-two".