77242240266730 has 64 divisors (see below), whose sum is σ = 182466973624320. Its totient is φ = 22808371694400.

The previous prime is 77242240266713. The next prime is 77242240266739. The reversal of 77242240266730 is 3766204224277.

It is not an unprimeable number, because it can be changed into a prime (77242240266739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2639843206 + ... + 2639872465.

It is an arithmetic number, because the mean of its divisors is an integer number (2851046462880).

Almost surely, 2^{77242240266730} is an apocalyptic number.

77242240266730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77242240266730 is an abundant number, since it is smaller than the sum of its proper divisors (105224733357590).

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

77242240266730 is a wasteful number, since it uses less digits than its factorization.

77242240266730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279715715.

The product of its (nonzero) digits is 9483264, while the sum is 52.

The spelling of 77242240266730 in words is "seventy-seven trillion, two hundred forty-two billion, two hundred forty million, two hundred sixty-six thousand, seven hundred thirty".