677837237040 has 120 divisors (see below), whose sum is σ = 2278571871888. Its totient is φ = 180584409600.

The previous prime is 677837237009. The next prime is 677837237057. The reversal of 677837237040 is 40732738776.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×677837237040² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308842 + ... + 1204598.

Almost surely, 2^677837237040 is an apocalyptic number.

677837237040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677837237040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139285935944).

677837237040 is an abundant number, since it is smaller than the sum of its proper divisors (1600734634848).

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

677837237040 is a wasteful number, since it uses less digits than its factorization.

677837237040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896827 (or 896818 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 677837237040 in words is "six hundred seventy-seven billion, eight hundred thirty-seven million, two hundred thirty-seven thousand, forty".