147997260705 has 64 divisors (see below), whose sum is σ = 279379219968. Its totient is φ = 65485946880.

The previous prime is 147997260703. The next prime is 147997260737. The reversal of 147997260705 is 507062799741.

It is a happy number.

It is not a de Polignac number, because 147997260705 - 2¹ = 147997260703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147997260703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 651115 + ... + 848495.

It is an arithmetic number, because the mean of its divisors is an integer number (4365300312).

Almost surely, 2^147997260705 is an apocalyptic number.

147997260705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147997260705 is a deficient number, since it is larger than the sum of its proper divisors (131381959263).

147997260705 is a wasteful number, since it uses less digits than its factorization.

147997260705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197626.

The product of its (nonzero) digits is 6667920, while the sum is 57.

The spelling of 147997260705 in words is "one hundred forty-seven billion, nine hundred ninety-seven million, two hundred sixty thousand, seven hundred five".