247380793755 has 32 divisors (see below), whose sum is σ = 426341560320. Its totient is φ = 122129082240.

The previous prime is 247380793733. The next prime is 247380793811. The reversal of 247380793755 is 557397083742.

It is not a de Polignac number, because 247380793755 - 2¹⁵ = 247380760987 is a prime.

It is a super-2 number, since 2×247380793755² (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 31 ways as a sum of consecutive naturals, for example, 11554560 + ... + 11575949.

It is an arithmetic number, because the mean of its divisors is an integer number (13323173760).

Almost surely, 2^247380793755 is an apocalyptic number.

247380793755 is a deficient number, since it is larger than the sum of its proper divisors (178960766565).

247380793755 is a wasteful number, since it uses less digits than its factorization.

247380793755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130571.

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 247380793755 in words is "two hundred forty-seven billion, three hundred eighty million, seven hundred ninety-three thousand, seven hundred fifty-five".