677121161375204 has 48 divisors (see below), whose sum is σ = 1493985902054016. Its totient is φ = 261338641747200.

The previous prime is 677121161375159. The next prime is 677121161375209. The reversal of 677121161375204 is 402573161121776.

It is not an unprimeable number, because it can be changed into a prime (677121161375209) 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, 22685631062 + ... + 22685660909.

It is an arithmetic number, because the mean of its divisors is an integer number (31124706292792).

Almost surely, 2^{677121161375204} is an apocalyptic number.

It is an amenable number.

677121161375204 is an abundant number, since it is smaller than the sum of its proper divisors (816864740678812).

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

677121161375204 is a wasteful number, since it uses less digits than its factorization.

677121161375204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45371292036 (or 45371292034 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 677121161375204 in words is "six hundred seventy-seven trillion, one hundred twenty-one billion, one hundred sixty-one million, three hundred seventy-five thousand, two hundred four".