77594052546 has 80 divisors (see below), whose sum is σ = 175869353088. Its totient is φ = 25567812000.

The previous prime is 77594052541. The next prime is 77594052577. The reversal of 77594052546 is 64525049577.

It is a happy number.

77594052546 is a `hidden beast` number, since 7 + 7 + 5 + 9 + 40 + 52 + 546 = 666.

It is a super-2 number, since 2×77594052546² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 77594052492 and 77594052501.

It is not an unprimeable number, because it can be changed into a prime (77594052541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11302711 + ... + 11309573.

Almost surely, 2^77594052546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77594052546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87934676544).

77594052546 is an abundant number, since it is smaller than the sum of its proper divisors (98275300542).

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

77594052546 is a wasteful number, since it uses less digits than its factorization.

77594052546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 77594052546 in words is "seventy-seven billion, five hundred ninety-four million, fifty-two thousand, five hundred forty-six".