3897006555120 has 160 divisors (see below), whose sum is σ = 13995668600832. Its totient is φ = 878542350336.

The previous prime is 3897006555083. The next prime is 3897006555139. The reversal of 3897006555120 is 215556007983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15765352 + ... + 16010631.

Almost surely, 2^{3897006555120} is an apocalyptic number.

3897006555120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3897006555120 is an abundant number, since it is smaller than the sum of its proper divisors (10098662045712).

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

3897006555120 is a wasteful number, since it uses less digits than its factorization.

3897006555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31776079 (or 31776073 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 3897006555120 in words is "three trillion, eight hundred ninety-seven billion, six million, five hundred fifty-five thousand, one hundred twenty".