77673671070 has 32 divisors (see below), whose sum is σ = 189472828320. Its totient is φ = 20373421440.

The previous prime is 77673671029. The next prime is 77673671077. The reversal of 77673671070 is 7017637677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673671077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21220485 + ... + 21224144.

It is an arithmetic number, because the mean of its divisors is an integer number (5921025885).

Almost surely, 2^77673671070 is an apocalyptic number.

77673671070 is an abundant number, since it is smaller than the sum of its proper divisors (111799157250).

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

77673671070 is a wasteful number, since it uses less digits than its factorization.

77673671070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42444700.

The product of its (nonzero) digits is 1815156, while the sum is 51.

The spelling of 77673671070 in words is "seventy-seven billion, six hundred seventy-three million, six hundred seventy-one thousand, seventy".