677005280000 has 1080 divisors, whose sum is σ = 2168539170336. Its totient is φ = 205701120000.

The previous prime is 677005279997. The next prime is 677005280059. The reversal of 677005280000 is 82500776.

It is a super-2 number, since 2×677005280000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18297439982 + ... + 18297440018.

Almost surely, 2^677005280000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677005280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084269585168).

677005280000 is an abundant number, since it is smaller than the sum of its proper divisors (1491533890336).

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

677005280000 is an equidigital number, since it uses as much as digits as its factorization.

677005280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 677005280000 its reverse (82500776), we get a palindrome (677087780776).

The spelling of 677005280000 in words is "six hundred seventy-seven billion, five million, two hundred eighty thousand".