1097778703 has 12 divisors (see below), whose sum is σ = 1280924400. Its totient is φ = 940427208.

The previous prime is 1097778701. The next prime is 1097778709. The reversal of 1097778703 is 3078777901.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1097778703 - 2¹ = 1097778701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097778701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612733 + ... + 614521.

It is an arithmetic number, because the mean of its divisors is an integer number (106743700).

Almost surely, 2^1097778703 is an apocalyptic number.

1097778703 is a deficient number, since it is larger than the sum of its proper divisors (183145697).

1097778703 is an frugal number, since it uses more digits than its factorization.

1097778703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 49.

The square root of 1097778703 is about 33132.7436684619. The cubic root of 1097778703 is about 1031.5847985100.

The spelling of 1097778703 in words is "one billion, ninety-seven million, seven hundred seventy-eight thousand, seven hundred three".