677234252148 has 12 divisors (see below), whose sum is σ = 1580213255040. Its totient is φ = 225744750712.

The previous prime is 677234252147. The next prime is 677234252159. The reversal of 677234252148 is 841252432776.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×677234252148² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677234252148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677234252147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28218093828 + ... + 28218093851.

It is an arithmetic number, because the mean of its divisors is an integer number (131684437920).

Almost surely, 2^677234252148 is an apocalyptic number.

It is an amenable number.

677234252148 is an abundant number, since it is smaller than the sum of its proper divisors (902979002892).

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

677234252148 is a wasteful number, since it uses less digits than its factorization.

677234252148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56436187686 (or 56436187684 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 51.

The spelling of 677234252148 in words is "six hundred seventy-seven billion, two hundred thirty-four million, two hundred fifty-two thousand, one hundred forty-eight".