77233126062540 has 96 divisors (see below), whose sum is σ = 247470769211904. Its totient is φ = 17630088399360.

The previous prime is 77233126062511. The next prime is 77233126062553. The reversal of 77233126062540 is 4526062133277.

It is a super-2 number, since 2×77233126062540² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77233126062540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120500614 + ... + 121139853.

It is an arithmetic number, because the mean of its divisors is an integer number (2577820512624).

Almost surely, 2^{77233126062540} is an apocalyptic number.

77233126062540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77233126062540 is an abundant number, since it is smaller than the sum of its proper divisors (170237643149364).

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

77233126062540 is a wasteful number, since it uses less digits than its factorization.

77233126062540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241641247 (or 241641245 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 77233126062540 in words is "seventy-seven trillion, two hundred thirty-three billion, one hundred twenty-six million, sixty-two thousand, five hundred forty".