353279797 has 12 divisors (see below), whose sum is σ = 383663140. Its totient is φ = 325291200.

The previous prime is 353279779. The next prime is 353279807. The reversal of 353279797 is 797972353.

It is a happy number.

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 can be written as a sum of positive squares in 6 ways, for example, as 29495761 + 323784036 = 5431^2 + 17994^2 .

It is not a de Polignac number, because 353279797 - 2²⁷ = 219062069 is a prime.

It is a super-2 number, since 2×353279797² = 249613229936722418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353279767) 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, 880797 + ... + 881197.

Almost surely, 2^353279797 is an apocalyptic number.

It is an amenable number.

353279797 is a deficient number, since it is larger than the sum of its proper divisors (30383343).

353279797 is an frugal number, since it uses more digits than its factorization.

353279797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 414 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 52.

The square root of 353279797 is about 18795.7387989938. The cubic root of 353279797 is about 706.9243383891.

Multiplying 353279797 by its sum of digits (52), we get a square (18370549444 = 135538²).

The spelling of 353279797 in words is "three hundred fifty-three million, two hundred seventy-nine thousand, seven hundred ninety-seven".