2397768211620 has 192 divisors, whose sum is σ = 7791194476800. Its totient is φ = 611578874880.

The previous prime is 2397768211567. The next prime is 2397768211687. The reversal of 2397768211620 is 261128677932.

It is a happy number.

2397768211620 is a `hidden beast` number, since 2 + 3 + 9 + 7 + 7 + 6 + 8 + 2 + 1 + 1 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161800 + ... + 2195840.

It is an arithmetic number, because the mean of its divisors is an integer number (40579137900).

Almost surely, 2^{2397768211620} is an apocalyptic number.

2397768211620 is a gapful number since it is divisible by the number (20) 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 2397768211620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3895597238400).

2397768211620 is an abundant number, since it is smaller than the sum of its proper divisors (5393426265180).

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

2397768211620 is a wasteful number, since it uses less digits than its factorization.

2397768211620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034155 (or 2034147 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 2397768211620 in words is "two trillion, three hundred ninety-seven billion, seven hundred sixty-eight million, two hundred eleven thousand, six hundred twenty".