77435207084 has 24 divisors (see below), whose sum is σ = 135927381408. Its totient is φ = 38598975360.

The previous prime is 77435207071. The next prime is 77435207099. The reversal of 77435207084 is 48070253477.

It is a super-2 number, since 2×77435207084² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953704 + ... + 1992944.

It is an arithmetic number, because the mean of its divisors is an integer number (5663640892).

Almost surely, 2^77435207084 is an apocalyptic number.

It is an amenable number.

77435207084 is a deficient number, since it is larger than the sum of its proper divisors (58492174324).

77435207084 is a wasteful number, since it uses less digits than its factorization.

77435207084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40745 (or 40743 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 77435207084 in words is "seventy-seven billion, four hundred thirty-five million, two hundred seven thousand, eighty-four".