755408997 has 48 divisors (see below), whose sum is σ = 1306311552. Its totient is φ = 427291200.

The previous prime is 755408989. The next prime is 755409007. The reversal of 755408997 is 799804557.

755408997 is a `hidden beast` number, since 7 + 5 + 540 + 8 + 9 + 97 = 666.

It is not a de Polignac number, because 755408997 - 2³ = 755408989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755408917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169603 + ... + 173999.

It is an arithmetic number, because the mean of its divisors is an integer number (27214824).

Almost surely, 2^755408997 is an apocalyptic number.

It is an amenable number.

755408997 is a deficient number, since it is larger than the sum of its proper divisors (550902555).

755408997 is a wasteful number, since it uses less digits than its factorization.

755408997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 755408997 is about 27484.7047828424. The cubic root of 755408997 is about 910.7392443343.

The spelling of 755408997 in words is "seven hundred fifty-five million, four hundred eight thousand, nine hundred ninety-seven".