10247778361 has 8 divisors (see below), whose sum is σ = 10492225920. Its totient is φ = 10003609392.

The previous prime is 10247778341. The next prime is 10247778367. The reversal of 10247778361 is 16387774201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10247778361 - 2¹⁵ = 10247745593 is a prime.

It is a super-2 number, since 2×10247778361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10247778367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5760 + ... + 143278.

It is an arithmetic number, because the mean of its divisors is an integer number (1311528240).

Almost surely, 2^10247778361 is an apocalyptic number.

It is an amenable number.

10247778361 is a deficient number, since it is larger than the sum of its proper divisors (244447559).

10247778361 is a wasteful number, since it uses less digits than its factorization.

10247778361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139295.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 10247778361 in words is "ten billion, two hundred forty-seven million, seven hundred seventy-eight thousand, three hundred sixty-one".