77007527740 has 96 divisors (see below), whose sum is σ = 198248311296. Its totient is φ = 24724803840.

The previous prime is 77007527693. The next prime is 77007527761. The reversal of 77007527740 is 4772570077.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519562 + ... + 651121.

It is an arithmetic number, because the mean of its divisors is an integer number (2065086576).

Almost surely, 2^77007527740 is an apocalyptic number.

It is an amenable number.

77007527740 is an abundant number, since it is smaller than the sum of its proper divisors (121240783556).

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

77007527740 is a wasteful number, since it uses less digits than its factorization.

77007527740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170739 (or 1170737 counting only the distinct ones).

The product of its (nonzero) digits is 672280, while the sum is 46.

The spelling of 77007527740 in words is "seventy-seven billion, seven million, five hundred twenty-seven thousand, seven hundred forty".