354402505677 has 16 divisors (see below), whose sum is σ = 522755043840. Its totient is φ = 211764193200.

The previous prime is 354402505669. The next prime is 354402505703. The reversal of 354402505677 is 776505204453.

It is not a de Polignac number, because 354402505677 - 2³ = 354402505669 is a prime.

It is a super-2 number, since 2×354402505677² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354402505577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75627727 + ... + 75632412.

It is an arithmetic number, because the mean of its divisors is an integer number (32672190240).

Almost surely, 2^354402505677 is an apocalyptic number.

It is an amenable number.

354402505677 is a deficient number, since it is larger than the sum of its proper divisors (168352538163).

354402505677 is a wasteful number, since it uses less digits than its factorization.

354402505677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151260224.

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 354402505677 in words is "three hundred fifty-four billion, four hundred two million, five hundred five thousand, six hundred seventy-seven".