77673970044160 has 144 divisors (see below), whose sum is σ = 218379318062976. Its totient is φ = 25911316537344.

The previous prime is 77673970044107. The next prime is 77673970044169. The reversal of 77673970044160 is 6144007937677.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673970044169) 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 15 ways as a sum of consecutive naturals, for example, 116816722 + ... + 117479761.

It is an arithmetic number, because the mean of its divisors is an integer number (1516523042104).

Almost surely, 2^{77673970044160} is an apocalyptic number.

77673970044160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77673970044160 is an abundant number, since it is smaller than the sum of its proper divisors (140705348018816).

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

77673970044160 is a wasteful number, since it uses less digits than its factorization.

77673970044160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234296548 (or 234296534 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 61.

The spelling of 77673970044160 in words is "seventy-seven trillion, six hundred seventy-three billion, nine hundred seventy million, forty-four thousand, one hundred sixty".