677105250772 has 6 divisors (see below), whose sum is σ = 1184934188858. Its totient is φ = 338552625384.

The previous prime is 677105250769. The next prime is 677105250793. The reversal of 677105250772 is 277052501776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 513463966096 + 163641284676 = 716564^2 + 404526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84638156343 + ... + 84638156350.

Almost surely, 2^677105250772 is an apocalyptic number.

It is an amenable number.

677105250772 is a deficient number, since it is larger than the sum of its proper divisors (507828938086).

677105250772 is a wasteful number, since it uses less digits than its factorization.

677105250772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169276312697 (or 169276312695 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 677105250772 in words is "six hundred seventy-seven billion, one hundred five million, two hundred fifty thousand, seven hundred seventy-two".