397747604535 has 16 divisors (see below), whose sum is σ = 639249967104. Its totient is φ = 211180789152.

The previous prime is 397747604491. The next prime is 397747604549. The reversal of 397747604535 is 535406747793.

It is not a de Polignac number, because 397747604535 - 2⁷ = 397747604407 is a prime.

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, 59450707 + ... + 59457396.

It is an arithmetic number, because the mean of its divisors is an integer number (39953122944).

Almost surely, 2^397747604535 is an apocalyptic number.

397747604535 is a deficient number, since it is larger than the sum of its proper divisors (241502362569).

397747604535 is a wasteful number, since it uses less digits than its factorization.

397747604535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118908334.

The product of its (nonzero) digits is 66679200, while the sum is 60.

The spelling of 397747604535 in words is "three hundred ninety-seven billion, seven hundred forty-seven million, six hundred four thousand, five hundred thirty-five".