1097707478 has 32 divisors (see below), whose sum is σ = 1949875200. Its totient is φ = 453477024.

The previous prime is 1097707469. The next prime is 1097707487. The reversal of 1097707478 is 8747077901.

It is an interprime number because it is at equal distance from previous prime (1097707469) and next prime (1097707487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293303 + ... + 297021.

It is an arithmetic number, because the mean of its divisors is an integer number (60933600).

Almost surely, 2^1097707478 is an apocalyptic number.

1097707478 is a deficient number, since it is larger than the sum of its proper divisors (852167722).

1097707478 is a wasteful number, since it uses less digits than its factorization.

1097707478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 691488, while the sum is 50.

The square root of 1097707478 is about 33131.6688079547. The cubic root of 1097707478 is about 1031.5624879368.

The spelling of 1097707478 in words is "one billion, ninety-seven million, seven hundred seven thousand, four hundred seventy-eight".